List of parts with modifications to the depth of case hardening and a note on thread practice.
| Identifier | ExFiles\Box 18\6\ Scan047 | |
| Date | 11th December 1919 guessed | |
| -4- to agree with standard practice of leaving a flat on top of thread. REASON.- T. O. {Mr Oldham} request. The following Parts have had the depth of case hardening added and other modifications:- Rec: 7000.- F.4637 - Shank for Lamp Bracket. U. 920 - Shank for Lamp & Mudguard Brkts. Rec: 7250.- G.3952 - Pins for Hinge. Rec: 7070.- F.4969 - Sliding Piece. F.4967 - Inner Plug. F.4968 - Outer Plug. Rec: 7110.- F. {Mr Friese} 89 - Trunnion Screw. Rec: 7050.- T.1102 - Inner Ball Race. U.13342- Ball End Stud. F. {Mr Friese} 887 - Steering Worm Tube. F.1423 - Rec:7030.- F.5722 - Roller for Rear Springs Supports. F.4939 - Shackle Pin for Rear Spring Eye. F.6459 - Roller Plate for "Nr." Side of Spring. F.6460 - " " " "Off" " " Rec: 7200.- E.13762 - Sun Wheel Shaft. Rec: 7040.- U.12122- Ball End Stud. (Top Steering Lever). F.6591 - " " " (Cross Steering). F.6978 - Pivot Bush. Rec: 7160.- F.7261 - Ball End Stud (Upper). F.7296 - Ball Pin Front Axle Shock Damper. REASON.- Mr. Bailey's instructions. | ||
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).