BVWS Bulletin Volume 7, Number 4 (March 1983)
Front cover: The Pye 'Presentation Two' receiver, the first UK receiver specifically designed to use indirectly heated AC valves such as the Cosmos AC/G valve.
| Page | Title | Summary/Notes |
|---|---|---|
| 50 | Radioddity. | A valve made by the Quadruple Valve Company” of Northampton in 1929. |
| 53 | The Coherer. A. R. Constable |
A history of the coherer. |
| 55 | Letters – American Wartime Imports. Frank Britain |
Imported American receivers during the latter half of World War 2. |
| 57 | Development of the A.C.Mains Valve Part 2. David Read |
Cosmos and the short path to success. |
| 61 | The Vintage Wireless Museum. Robert Hawes |
A review of the museum and repair business. |