Experiment to find out why 20 pitch Axle is quieter than 5's.
| Identifier | ExFiles\Box 2\6\ B002_X 140 141 157-page020 | |
| Date | 22th January 1912 | |
| X763 Section X140 500 Description: Experiment to find out why 20 pitch Axle quieter than 5's. 22/1/12: Inst from Mr Rowington re 3 Noises. By effect of shoe corner points, & on special fulcrum. 28/1/12: Notes. Test 50 feet of rail & exploded again. see other side | ||
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).