BVWS Bulletin Volume 2, Number 2 (September 1977)

Front cover: A B.T.H two valve receiver of 1926.
Page | Title | Summary/Notes |
---|---|---|
18 | Wireless Moments in Great Britain. I. E. Higginbottom |
A list of monuments related to wireless history. |
19 | Nickel Plating. A. R. Constable |
A guide to nickel plating. |
21 | The First Dutch Valve Again – The IDZ. Frans Driesens |
The first Dutch valves, made at the Pope Lamp Factory to a design by L. J. Bal. |
22 | Effect of Filament Rheostat. Philip Beckley |
Why such a rheostat was necessary in early receivers. |
25 | The B.T.H. Company – A Brief History. A. R. Constable |
Early history, from the company's formation in 1896 through to the mid-1920's. |
30 | Electrolytic Capacitors Further Explored. Frans Driesens |
How an electrolytic capacitor works, as described by a Philips engineer who worked on them. |
32 | Wing-Commander Wells Coates – A Memoir. D. W. P.Grey |
Meetings with Wells Coates who designed many of the cabinets used by Ekco such as their round sets. |