BVWS Bulletin Volume 6, Number 3 (December 1981)

BVWS BulletinVolume 6, Number 3 (December 1981)

Front cover:  A selection of valves by Radion and H.J.Round.

Page Title Summary/Notes
35 Valve Manufacture in Bollington Part 1.
Ian MacWhirter
Radion's and the Pettison Family.
37 Some More Early Beginnings in Wireless.
Basil van der Syde
Experimenting with some crystal receiver circuits.
38 Marcus Graham Scroggie: An 80 Birthday Tribute. Short biography of a prolific technical author whose works include the 'Radio Laboratory Handbook'.
42 A Centenary: Henry Joseph Round, 1881-1966.
A. R. Constable
Biography of a Marconi employee with 117 patents to his name and designer of the 1916 'Q' valve and later 'V24' valve.
44 Development of the A.C.Mains Valve Part 1.
David Read
The Marconi / Osram KL1 valve.
46 Early Radio – Entertainment At A Price.
Tony Hopwood
Prices of early radio equipment.