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).
Letter from Imperial Airways advising that they do not use a battery master switch on their aircraft.
| Identifier | ExFiles\Box 168a\2\ img195 | |
| Date | 18th November 1935 | |
| IMPERIAL AIRWAYS LTD. TELEGRAMS: IMPAIRLIM, LONDON. TELEPHONE: VICTORIA 2211. AIRWAY TERMINUS, VICTORIA STATION, LONDON, S.W.1. 86139 C.S. HLH/LGW/24323. 18th November, 1935. Messrs. Rolls-Royce Limited, DERBY. WST Dear Sirs, In reply to your letter of November 15th, reference Hs{Lord Ernest Hives - Chair}/Wst/15/MA, we have pleasure in advising you that we do not use a battery master switch on our aircraft. Yours faithfully, For and on behalf of IMPERIAL AIRWAYS LIMITED. H.L.Hall. Chief Engineer. [Signature: H.L. Hall] | ||