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).
Diagram for the determination of interference in involute teeth.
| Identifier | ExFiles\Box 28\5\ Scan103 | |
| Date | 26th January 1928 | |
| DIAGRAM FOR DETERMINATION OF INTERFERENCE IN INVOLUTE TEETH. ADDENDUM CIRCLE PITCH CIRCLE BASE CIRCLE ROOT CIRCLE LINE OF ACTION. O₁ O₂ r s x y θ Φ P₁ P₂ K₁ K₂ 26 JAN 1928 DERBY. E.F.C 15/3/18 | ||