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 detailing specifications and driving sides for counter shaft gears.
| Identifier | ExFiles\Box 170\2\ img270 | |
| Date | 2nd April 1935 guessed | |
| AFT DRIVING SIDE- FORWARD DRIVING SIDE- NOTE-ALL COUNTER SHAFT GEARS ARE MADE TO CORRECT LEAD. PRESSURE ANGLE, INVOLUTE AND TOOTH THICKNESS AS SPECIFIED ON DETAIL DRAWINGS. REVERSE DRIVING 890381 890382 Table Headers: DATE, MARK, CHANGE RECORD, ORDER No., DATE, MARK | ||