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).
Confirming the completion of an experiment on water pump casings.
| Identifier | ExFiles\Box 81\2\ scan0013 | |
| Date | 24th September 1917 | |
| To EFC. from R.H.C. 3152A/B.-WATER PUMP CASINGS COPAL VARNISHED AND BLACK AND BLACK ENAMELLED INSIDE. * The above experiment is finished and ready for test. RHC.{R. H. Coverley - Production Engineer} | ||