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).
Extract from a report on the end thrust tests of ball bearings.
| Identifier | ExFiles\Box 20\7\ Scan087 | |
| Date | 24th July 1914 guessed | |
| X. 548 Extract from Report on end thrust tests of ball bearings. Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}12/L20714. in X. 515 The Skefko bearing was run with 1500 lbs end pressure for 20 hours and 1 hour 20 minutes with 2000 lbs pressure It made a poor show and ran very hot and noisy and finally cracked up altogether. Both races were badly torn up and chipped and the balls were also badly chipped. [Faint reversed watermark text on the paper] DICKINSON BOND 1804 MADE AT CROXLEY | ||