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).
Request for a C.A.V. Ammeter on approval for use with commercial vehicles and buses.
| Identifier | ExFiles\Box 168\5\ img243 | |
| Date | 13th February 1933 | |
| XG722 Roy.{Sir Henry Royce} From Hs{Lord Ernest Hives - Chair}/Wst. Hs{Lord Ernest Hives - Chair}/Wst.12/MA.13.2.33. C.A.V. AMMETER. Will you please obtain for us on approval one C.A.V. ammeter such as they supply for use with commerial vehicles and buses working with a constant voltage system of dynamo charge. Hs{Lord Ernest Hives - Chair}/Wst. | ||