Pre-WWII Ham Radio Photos
It was an era of onrushing-change. Like the streamliners that captured American travel imaginations, the short waves captured the best efforts of America’s ham radio operators. Especially in the 1920’s, many hams built their own transmitters and receivers. But as the 30’s wore on, a healthy list of ham radio manufacturers sprang into being. NOTE tho members submitting photos: The category of your POST determines the PAGE on which your pictures appears. To post an image to this page, select the PRE_WAR HAM RADIO PHOTOS category.
8. U.S. Patents of Harold S. Black, Jack S. Kilby and Robert N. Noyce
2nd edition, 2007 Black discovered the importance of negative feedback. Kilby and Noyce were inventors of the integrated circuit. This publication lists their U.S. patents. Download: $6.25. Paperback, 9 pages, 8 1/2 x 11, $6.00.
9. U.S. Patents of Stuart W. Seeley
2nd Edition, 2007 Seeley, often credited with the invention of the ratio detector, also patented the SHORAN (SHOrt-Range Air Navigation) system. Seeley's 56 U.S. patents are listed here, followed by a list of publications by or about him. Paperback, 7 pages, 8 1/2 x...
10. Ten Patents from Radio History
David W. Kraeuter 2nd edition, 2014 For each patent Kraeuter provides a reproduction of the patent specification, a background essay and a list of sources for further information. Includes Heaviside's Coaxial Cable, Edison's Effect, Lodge's Syntony, Fessenden's...
11. Frank Conrad’s Radio Patents
2nd edition 2007 Reproduces the text and drawings of Conrad's 36 U.S. patents directly related to telecommunications. Included are U.S. 1,664,192 for a wireless receiving set (a.k.a. the Aeriola Junior) and U.S. 1,853,661 for a mechanical television system. Paperback,...
12. Electronic Reviews: Hundreds of Thoughts on 100 Books
David W. Kraeuter 2008 Reprints 100 reviews of books and other items about elecronics in general and radio history in particular. Subjects range from the fine esoterica of collecting, as in Eric Wenaas's beautiful Radiola book, to the mundane but occasionally vital...
13. The 3 Strikes Camp Stories
Karl Laurin 2008 These three short short stories adroitly capture the ambiance of a small mining enclave high in the Sierra Nevada Mountains in the early 1920's, and the effect on the camp of Cookie's one-tube radio. In a pinch, the radio is modified into a...
14. Vintage Radio Redux: Karl Laurin in the Pittsburgh Oscillator
Karl Laurin 2nd edition, 2014 Karl has had wide, practical experience in the field of electronics, both as a teacher and as a diagnostician and serviceman. We are pleased to bring these learned and insightful essays to a wider audience. Paperback, 141 pages, 8 1/2 x...
15. A Radio Patent Chronology
David W. Kraeuter 2nd edition, 2014 The author states: "I hope this short exposure to some of the ideas, profound and otherwise, in radio patents will inspire some reader to further the organization and presentation of the vast amount of information available in radio...
16. 25 Years of Electronic Reviews
David W. Kraeuter 2015 This is the expanded edition of the author's Electronic Reviews. It now includes reviews of about 130 books, DVD's and webpages. Paperback, 215 pages, 6 x 9, $11.96.
17. The Pittsburgh Antique Radio Society at 25
2015 A commemorative showing year by year how the Society got where it is. From start-up in the 1980's through 2015. Paperback, 27 pages, 6 x 9, $5.14. Download, $0.99.