RF Cafe Software
About RF Cafe
1996 - 2022
BSEE - KB3UON
RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...
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Although it is not my motivation for buying vintage electronics magazines, I do keep hoping that some day I will turn a page and find tucked inside an initial issue preferred stock certificate of a company like Westinghouse Electric, Lockheed Aircraft Corporation, American De Forest Wireless Telegraph Company, or any other similar company. Alas, thus far it has not happened. However, I have found interesting inscriptions from previous magazine owners who evidently planned to build one of the circuits presented in an article, as well as an occasional item like this C.O.D. (collect on delivery) invoice from the Electro Sonic Supply Co. Ltd. (c.1958). It was inside the December 1958 issue of Radio-Electronics. ESSCO, as their logo proclaims, was located in Ontario, Canada. They are, as it turns out, still in business. Per their "About Us" page, "Electro Sonic is Canada's leading full-service electronic and electrical component distributor and has been building partnerships with Canadian businesses for over 60 years. We specialize in developing customized programs and services to suit our OEM and MRO customers' needs. Our commitment is to stock a complete range of components from the more than 160 world-class manufacturers we represent." Congrats to them for running a successful operation. The customer, Norman Wade Co., of Toronto, Canada, was a manufacturer of architectural drafting tables. I cannot locate a website for them, so I assume they are no longer in business - drafting tables are not in big demand these days.
C.O.D. Receipt from Electro Sonic Supply Co. Ltd., c. 1958
Posted January 7, 2015