Graph of thrust tests on Hoffmann ball race bearings.
| Identifier | ExFiles\Box 8\11\ 11-page170 | |
| Date | 19th May 1939 | |
| BALL RACE THRUST TESTS HOFFMANN BALL RACE Nº 325 000 WITH " " " Nº R325 000 AS SECONDARY BEARING THRUST APPLIED AND READINGS TAKEN HORIZONTALLY STATIC LOAD 500 LBS. +.001 THRUST - INS - THRUST LOAD - LBS - BL2342 | ||
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).