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).
Requesting the modification of a Ferranti Ammeter to match a recently delivered sample.
| Identifier | ExFiles\Box 168\5\ img309 | |
| Date | 1st November 1934 | |
| Copy. From Ha/Pat. c. to D/MT. c. to D/SF. Ha/Pat.SV/MA.C.11.34. FERRANTI AMMETER. We are sending into the stores the original sample you obtained for us. Will you please arrange for this instrument to be modified exactly similar to the 3"-0-3" range instrument recently delivered to us. Ref: D.541/D7. Ha/Pat. | ||