From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Cover memo for revised tables of gaps relating to duplex push button switches.
Identifier | ExFiles\Box 64\3\ scan0286 | |
Date | 15th July 1926 | |
x 7650. To BY/RD. from EFC. EFC3/T15.7.26. DUPLEX PUSH BUTTON SWITCH TABLES. In view of your BY/RD1/ML13.7.26. herewith please receive revised tables of gaps, which will you kindly allow to supersede those previously sent. EFC. | ||