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).
Cost comparison between cellulose and linseed oil spraying for engines, calculating the total annual savings.
| Identifier | ExFiles\Box 148\2\ scan0003 | |
| Date | 6th October 1938 guessed | |
| -2- Total Cost of Cellulose Spraying One Engine........ 4/0¾d " " " Linseed Oil Spraying One Engine....... 10/3¾d Total Saving affected with Cellulose per Engine ... 6/3d. Thus on an average production of 20 Chassis per week, the saving would be £312.10.0d. per annum. | ||