Blueprint detailing a deflection test on a 20 HP gearbox main bearing.
| Identifier | ExFiles\Box 5\6\ 06-page166 | |
| Date | 23th January 1911 | |
| 20 H.P. GEARBOX MAIN BEARING DEFLECTION TEST LOAD APPLIED VIA DYNAMOMETER P X F 23-1-11 | ||
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).