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 from Cadillac Motor Car Co. showing gear tooth contact and rotation direction.
| Identifier | ExFiles\Box 170\2\ img274 | |
| Date | 21th January 1932 | |
| 83 FOR EXPERIMENTAL WORK ONLY 890401 SILVER 2 - 1935 -COAST DRIVING SIDES NOTE--DRIVING SIDES TO HAVE FULL CONTACT OR SHADING HEAVIER UPWARD. DRIVEN SIDES TO HAVE FULL CONTACT OR SHADING HEAVIER TOWARD BOTTOM. CHECK OF EACH SHIPMENT FOR CHEMICAL ANALYSIS. DECIMAL DIMENSIONS MUST BE MAINTAINED--.010 EACH WAY CAN BE ALLOWED ON DIMENSIONS NOT OTHERWISE SPECIFIED. CADILLAC MOTOR CAR Co. DETROIT, MICHIGAN CHART SHOWING DIRECTION OF ROTATION AND TOOTH CONTACT CHIEF D'FT'S O.K. ENG'S O.K. DATE 1-21-32 XB-65877 ATORE-GAD | ||