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 to order two N5DH battery master switches for aircraft from Messrs. Rotax, Ltd.
| Identifier | ExFiles\Box 168a\2\ img196 | |
| Date | 19th November 1935 | |
| -L6139. Roy.{Sir Henry Royce} From Ha/Wst. Ha/Wst.5/MA.19.11.35. Will you please order for us as quickly as possible from Messrs.Rotax, Ltd., two N5DH{D. Henderson - Showroom} battery master switches for aircraft. Order No.54200. Ha/Wst. | ||