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).
Sketch showing a restriction in the timing gears' oil pipe for a Super Sports model.
| Identifier | ExFiles\Box 136\1\ scan0027 | |
| Date | 12th November 1928 | |
| V487. SKETCH SHEWING RESTRICTION IN TIMING GEARS' OIL PIPE. (SUPER SPORTS) SWEAT IN POSITION. .375 .125 DIA. ROLLS-ROYCE, LIMITED PHOTO ROOM, 12 NOV 1928 DERBY JRB 12-11-28 | ||