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).
The specification for an Automatic Charge Reducing Switch, Midgley Patent.
Identifier | ExFiles\Box 35\3\ scan 099 | |
Date | 30th June 1927 | |
To RS.{Sir Henry Royce's Secretary} from EFC. X 4088 EFC2/T30.6.27. AUTOMATIC CHARGE REDUCING SWITCH - MIDGLEY PATENT. We thank you for your RS{Sir Henry Royce's Secretary}3/M28.6.27. Attached please find copy of Specification No.187,649 in connection with the above. As this is the last copy we have, perhaps you would sometime let us have it back - after Mr. Royce has quite finished with it. EFC. | ||