Cover note for the patent specification of the Hewitson plug.
| Identifier | ExFiles\Box 58\2\ Scan231 | |
| Date | 31th August 1935 | |
| 86 000 Db {Donald Bastow - Suspensions} /RWC. From Hs {Lord Ernest Hives - Chair} /Wst. Hs {Lord Ernest Hives - Chair} /Wst.2/MA.31.8.35. Herewith as requested patent specification of Hewitson plug. Hs {Lord Ernest Hives - Chair} /Wst. | ||
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).