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).
Instructions for measuring the speed and current of air in front of a radiator.
| Identifier | ExFiles\Box 78\3\ scan0067 | |
| Date | 12th March 1915 | |
| To Wor.{Arthur Wormald - General Works Manager} for EH & Hy{Tom Haldenby - Plant Engineer} from R.{Sir Henry Royce} COPY. R4/IB12315. up to the radiator within, say a foot, and be long enough so as to have a steady current of air in all parts of its section. The fan could be of any type that was found convenient. The means of measuring the speed of the air should be taken in various parts of the tube, perhaps 20" in front of the radiator. F.H.R. [Watermark: DICKINSON BOND] [Footer: R R 3207 1000 Bks 1/37 (9547) C & S Ltd] | ||