Category: Volume 12

An RCA promo item from 1929 from their dealer publication “Good News” plugging the sales of replacement tubes.   In this issue  

A stach of rare Philco-branded “export” tubes as recently found in Canada. See the story on page 2.   In this issue

A fine old WECo (pre Bell Labs) shot of a “tennis-ball” repeater tube. Source: Jerry Vanicek.   In this issue

Part of a fine collection of developmental metal tubes. See inside for more details Photos: Bob Millard.   In this issue

Hisashi Ohtsuka inspecting an LRS Realy at the Technical Museum in Stockholm. The tube, and a Telefunken amplifier that uses it, are being loaned to the museum of the University of Electro-Communication in Tokyo. This greatly enhances the excellent tube collection that Ohtsuka donated, and that he continued to support. (See TCA, April 2005, p....

The front cover of an RCA service-dealer magazine from the mid-Twenties, featuring the “Selling Fool” doll. Graphic: Joe Knight   In this issue