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).
Receipt and return of an air speed indicator and pitot head to R.A.E., South Farnborough.
| Identifier | ExFiles\Box 33\5\ Scan073 | |
| Date | 29th December 1925 | |
| Mr.Matthews (Stores). C. D/HP. C. Mr.Wilkins (A.I.D) C. Hs.{Lord Ernest Hives - Chair} X1807 Rg{Mr Rowledge}3/W29.12.25 Please receive herewith the air speed indicator (No.2180) and pitot head, referred to in W/HB{C. E. Harcombe}/G11/9.12.25, and return these to the Superintendent, R.A.E., South Farnborough, Hants. Rg.{Mr Rowledge} Enc:- Indicator & pitot head. | ||