BVWS Bulletin Volume 16 Supplement (December 1991)
Front cover: A U.S.A. Armoured car with collapsible observation and wireless turret.
| Page | Title | Summary/Notes |
|---|---|---|
| 1 | Hivac Midget Valves in German and British Clandestine Receivers. Pat Hawker |
The use of 1930's midget valves in high frequency receivers. |
| 7 | The Early Years of Ediswan and Mazda. Brian Munt |
A history of the company’s starting from the 1880's. |
| 14 | The EF50 Valve in War and Peace. John Keeley |
The EF50 and its developments, it's use in radar and the post-war surplus market. |