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).
List of compression springs that can be used in the Relay Crosshead for the Ignition Governor.
| Identifier | ExFiles\Box 65\1\ scan0088 | |
| Date | 16th February 1925 | |
| Tp Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} X8685 BY/SS{S. Smith}4/DB.{Donald Bastow - Suspensions}16.2.25. X.8140 - EAC.VI - IGNITION GOVERNOR. We give below a list of compression springs which may be used in the Relay Crosshead, acting in addition to Spring E.72497:- E.19796 - Rate 22.22 lbs. E.11430 - Rate 15 lbs. (Use packing washers). T.2396 - Rate 13 lbs. E.11431 - Rate 41.5 lbs. (Use packing Washers). G.50186 - Rate 5.2 lbs. (Use packing Washers). BY/SS.{S. Smith} | ||