Letter from K.D.F. Townend to William Grey Walter, 22 July 1941

Made:
1941-07-22
maker:
The Edison and Swan Electric Light Company Limited

Notes despatch of four SP22 valves, and includes list of valve types in production during the war.

Details

Extent:
203
254
Identifier:
BURD/A/02/17
Access:
Open Access