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).
Blueprint for a shock damper cylinder cover for Dubonnet suspension.
| Identifier | ExFiles\Box 154\1\ scan0236 | |
| Date | 4th January 1935 | |
| Hs {Lord Ernest Hives - Chair} 1681 SCALE - 1/1 DIA 1.670 ±5 60° 2 HOLES, .275 DIA. SCREW .500 16 T.P.I R.H. DIA .328 ±1 DIA .1250 +.002/-0 DIA 1.875 +1/-1 DIA 2.560" DIA .540 +1/64 -3/64 2 HOLES TAP 2 BA 31.4 TPI R.H .200 ±5 .160 ±5 .610 ±5 .600 ±5 .650 ±5 .770 ±5 MATERIAL - S/N No. OFF - 2 SHOCK DAMPER CYL COVER FOR DUBONNET SUSPENSION SEATING FOR .3125 DIA BALL - TO BE FORMED BY LIGHTLY TAPPING BALL ON SEAT. ROLLS-ROYCE, LTD PRINT ROOM 4 JAN 1935 DERBY 683 3/1/35 | ||