BVWS Bulletin Volume 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. |