BVWS Bulletin Volume 14, Number 1 (March 1989)
Front cover: Grid Leak's 1937 Pocketphone receiver, 'Radio Marvel of the Age'.
|3||The Radio Marvel of the Age.
|The Pocketphone kit designed by “Grid Leak” and its association with the 1937 Coronation|
|7||Cable Broadcasting in the 1930s.
|P.P.Eckersley's use of multi-channel cable distribution.|
|8||Electradix and the Onemeter.||A multimeter of 1929 by Leslie Dixon & Co, Electradix House.|
|9||The Story of the Screen-Grid Valve.
|Early history of the 4-electrode Screen-Grid valve in the 1920s.|
|12||Feedback: Philips 2514.||Letters responding to the article in Volume 13 No. 3.|