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).
Blueprints for a starter motor's gear ring and pinion with corrected helical teeth.
| Identifier | ExFiles\Box 64\4\ scan0054 | |
| Date | 29th November 1927 | |
| x7655B C. EFC. BY/RD6/ML.29.11.27. E.A.C.7 - STARTER MOTOR. Please receive herewith blueprints of - G.76375 - Gear Ring and D.71509 - Pinion, these representing a set of gears having corrected helical teeth with the engaging ends rounded off "gearbox fashion". Will you please put one of each in hand. RECEIVED Hs{Lord Ernest Hives - Chair} NOV 29 1927 BY/RD | ||