Request to obtain a Dewrance Pressure Gauge for testing Phantom III hydraulic jacks.
| Identifier | ExFiles\Box 143\1\ scan0180 | |
| Date | 11th July 1936 | |
| To EJJ. X1209 Hs {Lord Ernest Hives - Chair} /Gry. {Shadwell Grylls} 20/KW.11.7.36. Will you please obtain for our use, for testing Phantom III hydraulic jacks, 1. Dewrance Pressure Gauge, type 3949, with a 2 1/4" dial, to read up to 2000 lbs/sq.in. Hs {Lord Ernest Hives - Chair} /Gry. {Shadwell Grylls} | ||
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).