tag:blogger.com,1999:blog-13555540308141212782024-03-13T02:38:40.627-07:00Early Radiomagscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.comBlogger23125tag:blogger.com,1999:blog-1355554030814121278.post-77636441077547344202014-06-12T21:44:00.000-07:002014-06-12T21:44:04.744-07:00Manual of Wireless Telegraphy 1915Steve Davis sent me some scans, and I cleaned them up in my usual obsessive fashion. We considered whether it made sense to scan the whole thing and issue it as an e-book, but in the end it seemed like not enough people would buy it to justify the labor. However, here are the four test pages we did, so enjoy!<br />
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As always, you can click on the object to produce the largest version.magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com0tag:blogger.com,1999:blog-1355554030814121278.post-58233495796116736922014-06-04T10:30:00.001-07:002014-06-04T10:30:29.582-07:00Early Adopter<div class="separator" style="clear: both; text-align: center;">
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Today it's smartphones, but in the early days of radio it was kids showing grandfathers how it worked. By Norman Rockwell, no less. Thanks to Jim Haack at <a href="http://rover.ebay.com/rover/1/711-53200-19255-0/1?ff3=4&pub=5574633351&toolid=10001&campid=5335821654&customid=&mpre=http%3A%2F%2Fshop.ebay.com%2Fpowerangers%2Fm.html%3F_dmd%3D1%26_ipg%3D50%26_sop%3D1%26_rdc%3D1" target="_self">powerangers</a><img src="http://rover.ebay.com/roverimp/1/711-53200-19255-0/1?ff3=4&pub=5574633351&toolid=10001&campid=5335821654&customid=&mpt=[CACHEBUSTER]" style="border: 0; margin: 0; padding: 0; text-decoration: none;" /> for the scan.
magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com0tag:blogger.com,1999:blog-1355554030814121278.post-48913078295467479522014-06-02T20:55:00.003-07:002014-06-02T20:56:05.862-07:00Tesla Promises Broadcast PowerNot radio, but close enough. From the August, 1923 issue of POPULAR RADIO (covers at <span class="userContent"><a href="http://www.magazineart.org/main.php/v/technical/popularradio/" rel="nofollow nofollow" target="_blank">http://www.magazineart.org/main.php/v/technical/popularradio/ ).</a></span><br />
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<span class="userContent"><br /></span>magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com0tag:blogger.com,1999:blog-1355554030814121278.post-67155501866062785952013-01-24T17:48:00.003-08:002013-01-24T17:48:58.633-08:00Wireless on the Great Lakes, 1908Here's a page from POPULAR ELECTRICITY for July, 1908. The writeup discusses how wireless is being used on the <i>City of Cleveland</i>, and a couple of pictures illustrate the tale. Here's the text (click to read) and larger versions of the two photos that accompany. (The last little bit of text is left as an exercise for the reader.) The cover of this issue of the magazine can be <a href="http://www.magazineart.org/main.php/v/technical/popularelectricity/Popular+Electricity+1908-07.jpg.html" target="_blank">seen on the MagazineArt.org website</a>.<br />
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<a href="http://4.bp.blogspot.com/-EIX0R5L8_4c/UQHkJEFP2wI/AAAAAAAAAmY/rW13jWeIaUA/s1600/WirelessReceivingApparatusontheCityOfCleveland-PopElcy1908-07.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="251" src="http://4.bp.blogspot.com/-EIX0R5L8_4c/UQHkJEFP2wI/AAAAAAAAAmY/rW13jWeIaUA/s400/WirelessReceivingApparatusontheCityOfCleveland-PopElcy1908-07.jpg" width="400" /></a></div>
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<br />magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com0tag:blogger.com,1999:blog-1355554030814121278.post-58920681471176162152012-10-01T17:25:00.004-07:002012-10-01T17:26:32.754-07:00Early Andrae Radio Catalog: 1923Just the cover, but pretty evocative. Click to enlarge.<br />
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<a href="http://2.bp.blogspot.com/-Kn21k0aUMZ4/UGo0CFklN2I/AAAAAAAAAlA/H9J11h5xy9M/s1600/AndraeRadioCatalog1923.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="640" src="http://2.bp.blogspot.com/-Kn21k0aUMZ4/UGo0CFklN2I/AAAAAAAAAlA/H9J11h5xy9M/s640/AndraeRadioCatalog1923.jpg" width="420" /></a></div>
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Thanks to Jim Haack at <a href="http://rover.ebay.com/rover/1/711-53200-19255-0/1?ff3=4&pub=5574633351&toolid=10001&campid=5335821654&customid=&mpre=http%3A%2F%2Fshop.ebay.com%2Fpowerangers%2Fm.html%3F_dmd%3D1%26_ipg%3D50%26_sop%3D1%26_rdc%3D1" target="_self">powerangers</a><img src="http://rover.ebay.com/roverimp/1/711-53200-19255-0/1?ff3=4&pub=5574633351&toolid=10001&campid=5335821654&customid=&mpt=[CACHEBUSTER]" style="border: 0; margin: 0; padding: 0; text-decoration: none;" />, who scanned the cover for us this afternoon.magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com0tag:blogger.com,1999:blog-1355554030814121278.post-25866669440979614572012-07-20T11:36:00.000-07:002012-07-20T11:36:08.262-07:00Wireless Telephone Apparatus 1907From the article "The Age of Electric Servants," in the July, 1907 issue of <a href="http://www.magazineart.org/main.php/v/newscurrentevents/worldswork/" target="_blank">THE WORLD'S WORK</a>, a monthly news and commentary magazine aimed at business and government leaders of the time. Click to see larger version.<br />
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<br />magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com2tag:blogger.com,1999:blog-1355554030814121278.post-37029073913666911572012-06-21T15:26:00.000-07:002012-06-21T15:26:11.984-07:00Shipboard Radio Room, 1913It's an ad for Fatima Cigarettes, and it appeared in the January 25, 1913 issue of <a href="http://www.magazineart.org/main.php/v/technical/scientificamerican/">SCIENTIFIC AMERICAN</a>.<br />
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I'm not going to make any assumptions about the accuracy of the equipment shown here, though it was undoubtedly drawn by an artist working from a photograph of an actual installation. The two-color printing works pretty well here, in contrast to some of the other ads from this series (<a href="http://www.magazineart.org/main.php/v/ads/tobacco/cigarettes/Fatima+Cigarettes+-1912B.jpg.html">click here</a> and then choose "next" to see some more). As always, click the image for a larger version.<br />
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<a href="http://1.bp.blogspot.com/-Ku_hH4tHrL4/T-OfTckrhsI/AAAAAAAAAis/a6GSTPMJi8k/s1600/Fatima+Cigarettes+-1913A.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="640" src="http://1.bp.blogspot.com/-Ku_hH4tHrL4/T-OfTckrhsI/AAAAAAAAAis/a6GSTPMJi8k/s640/Fatima+Cigarettes+-1913A.jpg" width="446" /></a></div>magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com0tag:blogger.com,1999:blog-1355554030814121278.post-12603110632683715572012-05-16T22:53:00.000-07:002012-05-16T23:00:31.529-07:00Grebe Synchrophase 1926Two pictures from an advertising booklet for one of the stranger user interfaces of the early radio sets. All totally functional, of course.<br />
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<a href="http://1.bp.blogspot.com/-Slqt8a9Y6UY/T7SRwjB_uhI/AAAAAAAAAfY/n1rCKYzH3fk/s1600/GrebeSynchrophaseBooklet-1926-paperdraggin.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="640" src="http://1.bp.blogspot.com/-Slqt8a9Y6UY/T7SRwjB_uhI/AAAAAAAAAfY/n1rCKYzH3fk/s640/GrebeSynchrophaseBooklet-1926-paperdraggin.JPG" width="356" /></a></div>
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Click to see larger versions. Item recently listed for sale by <script>
document.write('<a target="_blank" href="http://rover.ebay.com/rover/1/711-53200-19255-0/1?ff3=4&pub=5574633351&toolid=10001&campid=5335821654&customid=&mpre=http%3A%2F%2Fwww.ebay.com%2Fsch%2Fpaperdraggin%2Fm.html%3F_ipg%3D50%26_sop%3D12%26_rdc%3D1">eBay seller paperdraggin</a><img style="text-decoration:none;border:0;padding:0;margin:0;" src="http://rover.ebay.com/roverimp/1/711-53200-19255-0/1?ff3=4&pub=5574633351&toolid=10001&campid=5335821654&customid=&mpt='+Math.floor(Math.random()*999999999)+'">');
</script><noscript>&amp;amp;lt;a target="_blank" href="http://rover.ebay.com/rover/1/711-53200-19255-0/1?ff3=4&amp;amp;amp;pub=5574633351&amp;amp;amp;toolid=10001&amp;amp;amp;campid=5335821654&amp;amp;amp;customid=&amp;amp;amp;mpre=http%3A%2F%2Fwww.ebay.com%2Fsch%2Fpaperdraggin%2Fm.html%3F_ipg%3D50%26_sop%3D12%26_rdc%3D1"&amp;amp;gt;eBay seller paperdraggin&amp;amp;lt;/a&amp;amp;gt;&amp;amp;lt;img style="text-decoration:none;border:0;padding:0;margin:0;" src="http://rover.ebay.com/roverimp/1/711-53200-19255-0/1?ff3=4&amp;amp;amp;pub=5574633351&amp;amp;amp;toolid=10001&amp;amp;amp;campid=5335821654&amp;amp;amp;customid=&amp;amp;amp;mpt=[CACHEBUSTER]"&amp;amp;gt;</noscript>magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com0tag:blogger.com,1999:blog-1355554030814121278.post-29979935543313611412012-05-14T16:52:00.004-07:002012-05-14T16:56:09.593-07:00Sears, Roebuck's 1922 Catalog of Electrical Goods and Radio ApparatusAs some of you know, I run a small e-publishing company (first book, 1999, so we were pioneers). Steve Davis sent me some scans from his copy of this 64-page catalog from Sears, published just at the moment radio was changing from a hobby for experimenters to a mass medium of entertainment for the entire culture. Here's the cover (click for full-size version):<br />
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<a href="http://1.bp.blogspot.com/-GggcsjYTdlA/T7GOMsbP6_I/AAAAAAAAAYc/IKcSsjAS5z8/s1600/00-cover-100.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="http://1.bp.blogspot.com/-GggcsjYTdlA/T7GOMsbP6_I/AAAAAAAAAYc/IKcSsjAS5z8/s400/00-cover-100.jpg" width="303" /></a></div>
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The first sixteen pages of the catalog are devoted to electrical appliances, and are lots of fun to look at. It's surprising how many home housekeeping functions were covered by things you could buy in 1922; and some of them had been available in one form or another for two or three decades by then.
The radio interest begins on page seventeen, and continues until the end. Most of the entries are components, but there are modular chunks for assembling a complete receiving set, and even a couple of fully assembled modular packages.
Here's a typical page (click for full-size version):<br />
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<a href="http://4.bp.blogspot.com/-NLWcp7ditOE/T7GPg20ZA5I/AAAAAAAAAZM/MzyJD-TmlvM/s1600/image047.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="http://4.bp.blogspot.com/-NLWcp7ditOE/T7GPg20ZA5I/AAAAAAAAAZM/MzyJD-TmlvM/s400/image047.jpg" width="303" /></a></div>
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This was so cool that I talked Steve into scanning the entire thing, so that I could publish it as an e-book. It took me two months to clean up all the background trash on the pages (they're printed on cheap paper and the catalog is ninety years old), figure out how to format it so that it would fit in an e-book package, and get it uploaded.<br />
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It's now on sale in ePub format (for any ebook reading device) and in Kindle format (for Amazon's hardware).
You can buy it on <a href="http://www.amazon.com/Roebuck-Electrical-Apparatus-Catalog-ebook/dp/B007UP59Y0">Amazon</a>, <a href="http://www.barnesandnoble.com/w/sears-roebuck-1922-electrical-goods-and-radio-apparatus-catalog-sears-roebuck-and-co/1110627391?ean=2940014400756">Barnes and Noble</a>, <a href="https://play.google.com/store/books/details/Roebuck_and_Co_Sears_Sears_Roebuck_1922_Electrical?id=T0Kk_CYxhWAC&feature=search_result#?t=W251bGwsMSwxLDEsImJvb2stVDBLa19DWXhoV0FDIl0.">Google Play</a>, and at the Apple iBooks store (search terms: Sears 1922 radio catalog).
It's beautiful, if I say so myself, and it's $2.99.<br />
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Yes, it's cheaper than a latte.<br />
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There is no DRM (!). You can print pages out. You can lend it. You can even sell it, if you should be so internally damaged as to want to.<br />
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Obviously, we're not doing this to get rich. It just looked like something I wanted to own a copy of, and this was my rather involved of doing so ... with the result that you can own a copy, too.<br />
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One extra neat thing: if you are reading the book on an iPad, or on a software reading app on your computer, and even on certain hardware devices, you can double-tap the page or stretch the window to make the image very, very large. You can make it large enough that you can read all the little tiny type on all of the pages.<br />
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Getting this feature to work was one of the things that made formatting it a challenge. Although ebook reading devices nominally have small page sizes, the underlying image can be larger in number of pixels, as long as you don't go over a file-size limit. This book pushes all those boundaries. All the work I did in Photoshop to clean up the pages, to make the edges clear, and to minimize graphic artifacts collided with the file-size limits, and by sneaking around these limits we've made every page readable in complete detail. (Though you do have to read it on the right kind of device; on your iPhone it may be just a little bit too small no matter what.)<br />
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Buy a copy. Tell your friends. Did I mention that the two images in this blog post (large versions) are the images we used for those pages in the book? Click to make them big (limited by the size of your display, of course), and see what you think.magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com2tag:blogger.com,1999:blog-1355554030814121278.post-31388076320185007602011-05-16T21:27:00.000-07:002011-05-16T21:27:41.074-07:00Radio Lifestyle Magazine from 1923By mid-1923 there was already a rotogravured lifestyle magazine showing how rich people decorated their homes with elaborate radio sets. The radio set is here the centerpiece of the room, and serves as the main focus.<br />
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Copies of this magazine are not common! I photographed this from the copyright set at the Library of Congress. The magazine lasted for at least a couple of year, but by early 1924 had become just another radio technofan magazine. In the course of time I'll put all of the covers I have on the magazineart.org site in the <a href="http://www.magazineart.org/main.php/v/moviestvradio">Radio</a> or <a href="http://www.magazineart.org/main.php/v/technical">Science/Technology</a> categories. Don't miss the sections of <a href="http://www.magazineart.org/main.php/v/ads/radiotvrecords/">advertisements for radio sets, phonographs, and records</a>!<br />
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<div class="separator" style="clear: both; text-align: center;"><a href="http://3.bp.blogspot.com/-l5t04u4oQZU/TdH3ZhCtafI/AAAAAAAAAWA/eEPdk92RHxM/s1600/RadioInTheHome1923-07.jpg" imageanchor="1" style="margin-left:1em; margin-right:1em"><img border="0" height="400" width="300" src="http://3.bp.blogspot.com/-l5t04u4oQZU/TdH3ZhCtafI/AAAAAAAAAWA/eEPdk92RHxM/s400/RadioInTheHome1923-07.jpg" /></a></div><br />
Click to enlarge photo.magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com0tag:blogger.com,1999:blog-1355554030814121278.post-63690211515136585972011-05-08T13:54:00.000-07:002011-05-20T09:53:42.161-07:00Electro Importing Company Catalog 20 for 1918Hugo Gernsback's Electro Importing Company provided thousands of experimenters with their introduction to wireless/radio. Here are some pages from their Catalog 20, published in 1918, courtesy of <a target="_blank" href="http://rover.ebay.com/rover/1/711-53200-19255-0/1?ff3=4&pub=5574633351&toolid=10001&campid=5335821654&customid=&mpre=http%3A%2F%2Fshop.ebay.com%2Fretroetcetera%2Fm.html%3F_dmd%3D1%26_ipg%3D50%26_sop%3D1%26_rdc%3D1">eBay seller retroetcetera</a><img style="text-decoration:none;border:0;padding:0;margin:0;" src="http://rover.ebay.com/roverimp/1/711-53200-19255-0/1?ff3=4&pub=5574633351&toolid=10001&campid=5335821654&customid=&mpt=[CACHEBUSTER]"> who offered it for sale in 2007.<div class="separator" style="clear: both; text-align: center;"><br />
<a href="http://1.bp.blogspot.com/-1POGMzGzES4/TccICG7PmaI/AAAAAAAAARk/2qsH5ruhvMA/s1600/eiccat20cover.jpg" imageanchor="1" style="margin-left:1em; margin-right:1em"><img border="0" height="400" width="306" src="http://1.bp.blogspot.com/-1POGMzGzES4/TccICG7PmaI/AAAAAAAAARk/2qsH5ruhvMA/s400/eiccat20cover.jpg" /></a></div><br />
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As always, click on an image to view a larger version of it.magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com4tag:blogger.com,1999:blog-1355554030814121278.post-54303948299102327072010-10-13T15:53:00.000-07:002010-10-13T15:53:34.812-07:00Voices in the AirHere's an early public commentary on radio, complete with photo of an early radio fan. Originally published in the April 22, 1922 issue of THE INDEPENDENT. Click the small pictures to see the kid and his set, and/or to read the article.<br />
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<div align="center"><a href="http://www.mkpix.org/blogs/early_radio/pics/YouthfulRadioEnthusiast.jpg"><img src="http://www.mkpix.org/blogs/early_radio/pics/YouthfulRadioEnthusiastsm.jpg"></a><br />
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Here's the article in which it appeared:<br />
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<a href="http://www.mkpix.org/blogs/early_radio/pics/VoicesInTheAir1.jpg"><img src="http://www.mkpix.org/blogs/early_radio/pics/VoicesInTheAir1sm.jpg"></a><br />
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<a href="http://www.mkpix.org/blogs/early_radio/pics/VoicesInTheAir2.jpg"><img src="http://www.mkpix.org/blogs/early_radio/pics/VoicesInTheAir2sm.jpg"></a><br />
</div><br />
Wonder who the kid is. He could still be alive today! What was it we were saying about rapid technological change?magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com0tag:blogger.com,1999:blog-1355554030814121278.post-37114072178631603312010-09-29T22:37:00.001-07:002010-09-29T23:04:09.980-07:00Experimental Wireless StationsPhilip E. Edelman's book <a href="http://www.amazon.com/gp/redirect.html?ie=UTF8&location=https%3A%2F%2Fwww.amazon.com%2Fs%3Fie%3DUTF8%26x%3D0%26ref_%3Dnb%255Fss%26y%3D0%26field-keywords%3Dedelman%2520experimental%2520wireless%2520stations%26url%3Dsearch-alias%253Daps&tag=hiddenknowledge&linkCode=ur2&camp=1789&creative=390957"><i><b>Experimental Wireless Stations</b></i></a> includes some interesting photographs. Here's a one kilowatt amateur station from the 1920 edition: <br />
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<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_ByGK-TYy0-E/TKQisiZ74yI/AAAAAAAAAQE/qd4pR2LsxjE/s1600/One+KW+Ham+Station.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 274px;" src="http://4.bp.blogspot.com/_ByGK-TYy0-E/TKQisiZ74yI/AAAAAAAAAQE/qd4pR2LsxjE/s400/One+KW+Ham+Station.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5522577191608247074" /></a><br />
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Edelman's book was first published in 1912, and there was at least one other edition, in 1922. In recent times, the book has been reprinted by a number of companies that specialize in public domain works, and these can be found at Amazon by clicking on the book's title in the first paragraph. The <a href="http://www.amazon.com/gp/product/1103223313?ie=UTF8&tag=hiddenknowledge&linkCode=as2&camp=1789&creative=390957&creativeASIN=1103223313">BiblioBazaar edition</a> listing on Amazon lets you look inside and see a few typical pages from one of the editions (probably 1920 or 1922). Thanks to Steve Davis for the scan!magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com0tag:blogger.com,1999:blog-1355554030814121278.post-69098171598900042692010-09-29T22:31:00.000-07:002010-09-29T22:36:30.881-07:00Wireless Telegraphy and Telephony 1922Here's the 1922 edition of A. P. Morgan's book; earlier editions were published in 1912 and 1915. Just for fun we see a couple of pictures of field radio equipment; unfortunately, the pictures themselves aren't dated. From Steve Davis.<br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_ByGK-TYy0-E/TKQhNz4tGhI/AAAAAAAAAPk/h9QjN8hvAqs/s1600/WirelessTelegraphy-Morgan-cover.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 267px; height: 400px;" src="http://3.bp.blogspot.com/_ByGK-TYy0-E/TKQhNz4tGhI/AAAAAAAAAPk/h9QjN8hvAqs/s400/WirelessTelegraphy-Morgan-cover.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5522575564213131794" /></a><br />Telefunken wireless cart, transmitter side:<br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_ByGK-TYy0-E/TKQhYHk1rLI/AAAAAAAAAP8/7jQGcLYHS7w/s1600/TelefunkenWirelessCart-Morgan-WirelessTelegraphy.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 325px;" src="http://4.bp.blogspot.com/_ByGK-TYy0-E/TKQhYHk1rLI/AAAAAAAAAP8/7jQGcLYHS7w/s400/TelefunkenWirelessCart-Morgan-WirelessTelegraphy.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5522575741297208498" /></a><br />And the receiver side (you couldn't exactly call this a transceiver):<br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_ByGK-TYy0-E/TKQhOF5rOMI/AAAAAAAAAPs/fLvcgCYGnPM/s1600/TelefunkenWirelessCart-Receiver-Morgan-WirelessT.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 285px;" src="http://2.bp.blogspot.com/_ByGK-TYy0-E/TKQhOF5rOMI/AAAAAAAAAPs/fLvcgCYGnPM/s400/TelefunkenWirelessCart-Receiver-Morgan-WirelessT.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5522575569049041090" /></a><br />As always, click on the images to bring forth magically the larger versions.magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com1tag:blogger.com,1999:blog-1355554030814121278.post-74478971125483606932010-09-29T22:29:00.000-07:002010-09-29T22:31:26.915-07:00Wireless Telegraphy Manual from 1915Steve Davis sends along scans of the cover and the introduction page from a wireless manual published in 1915. It's a good benchmark for just how things changed in the next ten years. Not to say things aren't changing now, but our radio is a somewhat different animal. As always, click on the image for a larger version.<br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_ByGK-TYy0-E/TKQgeX8DwsI/AAAAAAAAAPU/9jJrqIswQLs/s1600/ManualWirelessTelegraphy1915.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 292px; height: 400px;" src="http://3.bp.blogspot.com/_ByGK-TYy0-E/TKQgeX8DwsI/AAAAAAAAAPU/9jJrqIswQLs/s400/ManualWirelessTelegraphy1915.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5522574749257155266" /></a><br /><br />And the Introduction: Consider how cool it must have been for the two teenagers in 1915, who could accomplish text messaging and all sorts of other advanced telegraphic geekery.<br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_ByGK-TYy0-E/TKQgfGsBUYI/AAAAAAAAAPc/ybMNL3DfIyc/s1600/ManualWirelessTelegraphyIntro.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 293px; height: 400px;" src="http://4.bp.blogspot.com/_ByGK-TYy0-E/TKQgfGsBUYI/AAAAAAAAAPc/ybMNL3DfIyc/s400/ManualWirelessTelegraphyIntro.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5522574761806352770" /></a>magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com0tag:blogger.com,1999:blog-1355554030814121278.post-47238320469836652222010-09-29T22:24:00.000-07:002010-09-29T22:29:01.429-07:00Gernsback Changes the WorldHere's the cover of a late (1919) catalog from the Electro Importing Company, courtesy of Michael Holley. It was doing this company and these catalogs that got Gernsback into the magazine business, and if he hadn't done that...well, who knows how things would have played out differently?<br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_ByGK-TYy0-E/TKQfz--u4YI/AAAAAAAAAPM/cI9i7APKEq4/s1600/ElectroImportingCoCatalog1919.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 304px; height: 400px;" src="http://4.bp.blogspot.com/_ByGK-TYy0-E/TKQfz--u4YI/AAAAAAAAAPM/cI9i7APKEq4/s400/ElectroImportingCoCatalog1919.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5522574021002977666" /></a><br /><br />Michael Holley has been adding extensively to the <a href="http://en.wikipedia.org/wiki/Gernsback">Wikipedia articles on Gernsback</a>, his magazines, and his history in the field.magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com0tag:blogger.com,1999:blog-1355554030814121278.post-74359546740803934312010-09-29T22:19:00.000-07:002010-09-29T22:24:11.293-07:00Radio Enters the HomeIn 1922 RCA took an <a href="http://www.magazineart.org/main.php/v/ads/booksandmagazines/technicalbooks/RadioEntersTheHome-RCA-1922A.jpg.html">advertisement</a> in the <a href="http://www.magazineart.org/main.php/v/technical/radionews/RadioNews1922-08.jpg.html">August issue of RADIO NEWS</a> to publicize a book showing that radio was now ready for everyone to take home and dance to.<br /><br />Here's that book cover image, shown in more detail:<br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_ByGK-TYy0-E/TKQeRnadFSI/AAAAAAAAAPE/t52FI83haDg/s1600/RadioEntersTheHome-BookAlone-RCA-RadioNews1922-08-SDavis.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 298px; height: 400px;" src="http://2.bp.blogspot.com/_ByGK-TYy0-E/TKQeRnadFSI/AAAAAAAAAPE/t52FI83haDg/s400/RadioEntersTheHome-BookAlone-RCA-RadioNews1922-08-SDavis.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5522572331049620770" /></a><br /><br />Compare this to the back cover of the Sears radio catalog from 1924 (the first post in the blog), just two years later.magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com0tag:blogger.com,1999:blog-1355554030814121278.post-42952897387687285782010-09-29T22:18:00.000-07:002010-09-29T22:19:41.378-07:00Personal Artifacts of the ARRL FoundersSteve Davis, who has sent dozens of cover scans to me for the magazineart.org website, included a duplicate with a note that it was signed by, and apparently belonged to, F. E. Handy, one of the early big cheeses of the ARRL. Here's an image of the cover of the December 1924 issue of QST, with what looks like both handwritten and rubber-stamped signatures of Handy (call signs 8BCM and 1BDI). <br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_ByGK-TYy0-E/TKQd3K7uIfI/AAAAAAAAAO8/-rUEtICtGSk/s1600/QST1924-12.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 289px; height: 400px;" src="http://1.bp.blogspot.com/_ByGK-TYy0-E/TKQd3K7uIfI/AAAAAAAAAO8/-rUEtICtGSk/s400/QST1924-12.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5522571876727923186" /></a>magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com0tag:blogger.com,1999:blog-1355554030814121278.post-24296270220222633122010-09-29T22:15:00.000-07:002010-09-29T22:17:31.342-07:00Poulsen Arc Radiophone TransmitterAnother image from Goldsmith's 1918 book. <br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_ByGK-TYy0-E/TKQdVXBa3II/AAAAAAAAAO0/id8dz1tgsko/s1600/DanishPoulsenArcRadiophone.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 356px;" src="http://2.bp.blogspot.com/_ByGK-TYy0-E/TKQdVXBa3II/AAAAAAAAAO0/id8dz1tgsko/s400/DanishPoulsenArcRadiophone.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5522571295857499266" /></a><br /><br />You can <a href="http://www.amazon.com/gp/redirect.html?ie=UTF8&location=http%3A%2F%2Fwww.amazon.com%2Fdp%2FB000863AMG&tag=hiddenknowledge&linkCode=ur2&camp=1789&creative=9325">buy a copy of the Goldsmith book</a><img src="http://www.assoc-amazon.com/e/ir?t=hiddenknowledge&l=ur2&o=1" alt="" style="border: medium none ! important; margin: 0px ! important;" border="0" height="1" width="1" /> for yourself.magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com0tag:blogger.com,1999:blog-1355554030814121278.post-58181709246263254672010-09-29T22:13:00.000-07:002010-09-29T22:14:58.714-07:00Two Guides for Radio Constructors, Circa 1925From Steve Davis, photoshopped for clarity:<br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_ByGK-TYy0-E/TKQcxP3wSoI/AAAAAAAAAOs/lgudfq3yLIQ/s1600/res-amp-blueprint-004.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 285px;" src="http://3.bp.blogspot.com/_ByGK-TYy0-E/TKQcxP3wSoI/AAAAAAAAAOs/lgudfq3yLIQ/s400/res-amp-blueprint-004.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5522570675462621826" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_ByGK-TYy0-E/TKQcqzSE62I/AAAAAAAAAOk/6T3kIcOxVrM/s1600/res-amp-blueprint-003.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 284px;" src="http://2.bp.blogspot.com/_ByGK-TYy0-E/TKQcqzSE62I/AAAAAAAAAOk/6T3kIcOxVrM/s400/res-amp-blueprint-003.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5522570564709182306" /></a>magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com0tag:blogger.com,1999:blog-1355554030814121278.post-88985799944196708532010-09-29T22:11:00.000-07:002010-09-29T22:13:14.575-07:00Some Extremely Early Radio<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_ByGK-TYy0-E/TKQcWbc9fGI/AAAAAAAAAOc/dZtWnWY47uc/s1600/p032-Berliner-Poulsen-3kwAr.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 256px;" src="http://1.bp.blogspot.com/_ByGK-TYy0-E/TKQcWbc9fGI/AAAAAAAAAOc/dZtWnWY47uc/s400/p032-Berliner-Poulsen-3kwAr.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5522570214714997858" /></a><br />From Alfred N. Goldsmith, "Radio Telephony" (Wireless Press; 1918). It's the "Berliner-Poulsen 3KW Arc Radiophone Station." Click for larger.magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com0tag:blogger.com,1999:blog-1355554030814121278.post-74216890220487219242010-09-29T22:08:00.000-07:002010-09-29T22:11:41.361-07:00Hugo Gernsback and the Electro Importing CompanyA recent immigrant from Luxembourg, Hugo Gernsbacher started a company to import European electrical and radio parts to sell to American enthusiasts. Soon he found himself publishing not just a catalog, but a magazine called MODERN ELECTRICS. Not surprisingly, EIC was a regular advertiser in this magazine. From the April 1910 issue (click to display larger version):<br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_ByGK-TYy0-E/TKQbrOEGBBI/AAAAAAAAAOM/J4JoCDYAcZo/s1600/ElectroImportingAd-ModernElectrics1910-04p1.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 259px; height: 400px;" src="http://1.bp.blogspot.com/_ByGK-TYy0-E/TKQbrOEGBBI/AAAAAAAAAOM/J4JoCDYAcZo/s400/ElectroImportingAd-ModernElectrics1910-04p1.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5522569472386663442" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_ByGK-TYy0-E/TKQbrQToZXI/AAAAAAAAAOU/H6dhAY-KlJM/s1600/ElectroImportingAd-ModernElectrics1910-04p2.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 260px; height: 400px;" src="http://4.bp.blogspot.com/_ByGK-TYy0-E/TKQbrQToZXI/AAAAAAAAAOU/H6dhAY-KlJM/s400/ElectroImportingAd-ModernElectrics1910-04p2.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5522569472988702066" /></a>magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com0tag:blogger.com,1999:blog-1355554030814121278.post-68675101525795168392010-09-29T21:53:00.000-07:002010-09-29T21:58:44.988-07:00The World ChangedWhen radio became popular in the middle of the 1920's, the world changed. Staid marketers like Sears, Roebuck latched onto the new trend and remade themselves as the foremost purveyors of the new fad.<br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_ByGK-TYy0-E/TKQYjNV3PBI/AAAAAAAAAN8/s9MwTe05T6o/s1600/1924-Sears-catalog.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 293px; height: 400px;" src="http://2.bp.blogspot.com/_ByGK-TYy0-E/TKQYjNV3PBI/AAAAAAAAAN8/s9MwTe05T6o/s400/1924-Sears-catalog.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5522566036218919954" /></a><br />Have your teenaged friends over for a dance party, right in your own living room! Mom will feed the hungry crowd, and Dad will try to read his newspaper, but won't be able to resist tapping his toe to the music.<br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_ByGK-TYy0-E/TKQYjYHzHZI/AAAAAAAAAOE/05OjxNeoE5Y/s1600/1924-Sears-catalog-back.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 291px; height: 400px;" src="http://3.bp.blogspot.com/_ByGK-TYy0-E/TKQYjYHzHZI/AAAAAAAAAOE/05OjxNeoE5Y/s400/1924-Sears-catalog-back.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5522566039112719762" /></a><br />Special thanks to Radio material collector Steve Davis, for these images from his collection. [We Photoshopped them a bit to restore them to their original state.] Steve adds, "This Sears catalog was the first Sears radio-specific catalog, family and socially oriented. Earlier catalogs were electrical appliance catalogs, with radios in them." For more Radio material, try <a href="http://www.magazineart.org/main.php/v/technical">the MagazineArt.org site</a>.magscannerhttp://www.blogger.com/profile/01753073251415624414noreply@blogger.com0