BVWS Bulletin Volume 5, Number 1 (June 1980)

BVWS BulletinVolume 5, Number 1 (June 1980)

Front cover:  The Graves 'Vulcan' Two-Valve Receiver and Speaker.

Page Title Summary/Notes
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.
David Read
Discussion on loudspeaker cones.
11 Arzenite and Tellurium.
Desmond Thackeray
Crystal detectors.