Hand-drawn schematic of a speedometer drive mechanism.
| Identifier | ExFiles\Box 8\2\ 02-page09 | |
| Date | 9th January 1922 | |
| 2A VEE PULLEY SAME SIZE AS DRIVING PULLEY SWIVEL PIN FLEXIBLE DRIVE 4 TO 1 SPUR GEAR RR SPEEDOMETER DRIVE ISS'D: 09-01-22 REF: D.6/83, L.16034 SHT 7/B | ||
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).