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).
Telephone confirmation about abandoning screwed valve caps and pressing forward with experiments for water pump designs.
| Identifier | Morton\M11\ img073 | |
| Date | 18th September 1917 | |
| Telephoned to Dover Sept. 18th. 1917. ORIGINAL CONFIRMATION. 20 SEP 1917 RECEIVED 5 X3132 X.3086 X3147 ROYCAR. DERBY X.3144. HIVES RE VALVE CAPS ABANDON SCREWED CAP ELLIOTT THINKS FAILURE DUE TO CREEP AS IN BALL BEARING HOUSING CONCENTRATE ON TAPER PLUG TYPE AND PEUGEOT SPLIT CONE TYPE STOP RE WATER PUMP PRESS FORWARD EXPERIMENTS OF PADDLE WHEEL TYPE SUITABLE FOR STANDARD EAGLE. ROYCE. | ||