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).
The order of a Negretti & Zambra transmitting pressure gauge.
| Identifier | ExFiles\Box 175\6\ img007 | |
| Date | 5th March 1929 | |
| To ROY.{Sir Henry Royce} from Hs.{Lord Ernest Hives - Chair} X447P? Hs{Lord Ernest Hives - Chair}5/LG5.3.29. c. to Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} NEGRETTI & ZAMBRA TRANSMITTING PRESSURE GAUGE. Drg. No.1748. REF. PEN/G1. Please order one of these gauges having a pressure range 0 - 100 lbs. Length of piping 25 ft. Hs.{Lord Ernest Hives - Chair} Correspondence herewith. | ||