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).
Blueprint of a 'Perfect' oil seal for a Bentley rear axle pinion bearing.
| Identifier | ExFiles\Box 114\2\ scan0111 | |
| Date | 24th January 1934 | |
| NSch 3944 'PERFECT' OIL SEAL N° 253116 FITTED WITH CHROME LEATHER ON ACCOUNT OF THE HIGH SPEED. 1.500 INSIDE DIA - 2.500 OUTSIDE DIA .500 THICK THE SEAL IS PRESSED IN TIGHT AS A UNIT, AND THE MAKERS SAY THAT NO OTHER SECURITY IS NECESSARY. SHOULD ANY TENDENCY TO COME OUT DEVELOPE, THE HOUSING COULD REDUCED AS SHEWN AND LIGHTY SPUN OVER "PERFECT" OIL SEAL BENTLEY REARAXLE PINION BEARING SCALE 1/1 D.No 1.34 NSch 3944 ROLLS-ROYCE LTD. JAN 24 1934 DERBY. | ||