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).
Confirmation of a telegram from Royce to Hives regarding testing an armoured car air pump.
| Identifier | ExFiles\Box 20\10\ Scan019 | |
| Date | 4th October 1922 | |
| X.4195 CONFIRMATION OF TELEGRAM. WEST WITTERINGHenry Royce's home town. 4th Oct. 1922. ROYCAR. DERBY. HIVES - COUPLE ARMOURED CAR AIR PUMP DIRECT TO FRONT END OF CAMSHAFT BY STEEL OR FABRIC JOINTS. TEST IF IT CAUSES GEAR NOISE BY SILENCING AIR AND VALVE NOISES. ROYCE. | ||