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).
Tappet clearance, attaching instruction No. 233.
| Identifier | ExFiles\Box 158\4\ scan0014 | |
| Date | 9th August 1929 | |
| X 3733 Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer} Mx{John H Maddocks - Chief Proving Officer}/McM/M9.8.29. Re tappet clearance. With reference to your conversation this morning with Mx.{John H Maddocks - Chief Proving Officer} we attach hereto a copy of our instruction No. 233.. regarding tappet clearances to be worked to on test. Mx{John H Maddocks - Chief Proving Officer}/McM.. | ||