BVWS Bulletin Volume 5, Number 1 (June 1980)
Front cover: The Graves 'Vulcan' Two-Valve Receiver and Speaker.
|2||Who Were the Fathers of Radio ?
A. E. Hopwood
|Including the 1860's experiments by Dr. Mahlon Loomis and early work of Thomas Alva Edison.|
|4||The Burndept Universal Screened Five.
A. R. Constable
|Description a schematic of the 1929 receiver and an early example of a push-pull audio amplifier.|
|6||Loudspeakers Part 3.
|Discussion on loudspeaker cones.|
|11||Arzenite and Tellurium.