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).
Instruction sheet with handwritten notes comparing corrosion levels from ventilation tests.
| Identifier | ExFiles\Box 61b\2\ scan0029 | |
| Date | 29th June 1920 | |
| ROLLS-ROYCE LTD. INSTRUCTIONS. (SH57.29-6-20.) MP 224358 To____________________19___ Order No._________________ Customer's No.________________ this to be the case, only a slight corrosion having occurred at all, in contrast to the extensive corrosion observed during previous tests with the original ventilation. Signed H.E.W. This Sheet must be filed on completion of the work. | ||