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).
Page 2 of a letter discussing blueprint scaling and shrinkage allowance.
| Identifier | ExFiles\Box 150\2\ scan0349 | |
| Date | 5th April 1940 guessed | |
| - 2 - Continued:- 7. Blue prints may be scaled, but an allowance of 1/60" in 10" should be made for shrinkage. We trust that this now supplies you with all the information you require, and we shall look forward to receiving the radiators at an early date. Yours faithfully, for ROLLS-ROYCE LIMITED. | ||