Blueprint of a deceleration control device for a Phantom III model.
| Identifier | ExFiles\Box 156\4\ scan0058 | |
| Date | 18th February 1937 | |
| BRACKET ATTD. TO LEVER THROTTLE CONTROL BELL-CRANK LEVER AT BACK OF N.S. BLOCK NOT TO SCALE DECELERATION CONTROL - PH III TO BE ALMOST FILLED WITH LOCKHEAD FLUID ROLLS-ROYCE, LTD. PRINT ROOM, 18 FEB 1937 DERBY. DAMPER POT TO BE ATTD. TO BLOCK THE OBJECT OF THIS DEVICE IS TO RETARD THE FINAL CLOSING MOVEMENT OF THE THROTTLE, & HENCE TO REDUCE TRANSMISSION CHUNKS. RM {William Robotham - Chief Engineer} 328 F.W. Smith 17 II 37 | ||
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).