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).
Requisition for a complete set of 20/25 chassis instruments with specifications for the petrol gauge and speedometer.
| Identifier | ExFiles\Box 168a\1\ img006 | |
| Date | 8th April 1935 | |
| Roy.{Sir Henry Royce} From Hs{Lord Ernest Hives - Chair}/Wat. Hs{Lord Ernest Hives - Chair}/Wat.10/MA.8.4.35. 20/25 CHASSIS INSTRUMENTS. In connection with our requisition for a complete set of 20/25 instruments with concave dials see Hs{Lord Ernest Hives - Chair}/Wat.8/MA.11.3.35., will you please arrange for the tank unit of the petrol gauge to be of the latest experimental pattern with cast alum support bracket, fiber tooth gears and incorporating warning light contacts. The speedometer revs per mile should be 936 and the instrument should read dead correct at 30 M.P.H. and about 5% fast at full scale. These instruments are now urgently required and should be finished hand made if the tools are not available during the next fortnight. Hs{Lord Ernest Hives - Chair}/Wat. | ||