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).
Drawing of a water pump impellor with dimensions and notes.
| Identifier | ExFiles\Box 126\2\ scan0137 | |
| Date | 18th November 1938 guessed | |
| WATER PUMP IMPELLOR SS{S. Smith} 205 7/8" 2 1/2" P.C. DIA 3" DIA 15/16" DIA 3/8" 19/32" DIA 17/32" DIA FLAT 3/8" WIDE X 1 3/16" LONG 3/8" DIA HOLE 7/32" DIA 7/32" DIA STEEL RING FASTENS TO FLEXIBLE DRIVE BY SCREW PASSING THROUGH HOLE IN DRIVE, RING, AND SHAFT. | ||