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).
From CJ to the Experimental Department regarding the testing of an enclosed 'Silca' plug from a customer.
| Identifier | ExFiles\Box 33\3\ Scan152 | |
| Date | 4th August 1921 | |
| X1812-b. To Experimental Dept. from CJ. CJ10/E4/8/21 Captain James E.Withers, of 46 Maresfield Gardens, Hampstead, N.W., who owns more than one of our cars, has asked us to inspect the enclosed 'Silca' plug. Would you kindly test this plug and let me have a report on it? CJ. Enc. | ||