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).
Parts changes for the Phantom II chassis rear hydraulic shock damper.
| Identifier | ExFiles\Box 16\4\ Scan299 | |
| Date | 29th May 1931 | |
| c. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} 87820 BY/HEB{H. Biraben}12/M.29.5.31. PHANTOM II. CHASSIS. REAR HYDRAULIC SHOCK DAMPER SEC:7150. Further to our memo BY/HEB{H. Biraben}2/M.11.4.31, herewith one new Blue Print of F.83611 showing the Non-Return Ball Valve. The following existing parts will be required.- F.83159 Valve Cover Plug H.P. 2 off, replacing F.83621. F.83160 " " L.P. 2 " " F.83622. F.57600 Adjusting Screw Ball Valve. 4 " ADDITIONAL. E.81516 Joint Washer. 4 " " .1875 Dia: Steel Balls H.P. & L.P.Valves. 4 off, " It will be noted F.83621/2 issued previously are not now required. Kindly instruct the above parts as required. Herewith one up-to-date print of L.O.P. F.83611. please scrap your existing copy. [STAMP: RECEIVED 1931 MAY 30] BY/HEB.{H. Biraben} HEB{H. Biraben} | ||