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 loose fitting type pin joint socket.
| Identifier | ExFiles\Box 4\1\ 01-page179 | |
| Date | 7th December 1934 | |
| +.003 -.004 .176" dia +.20 1/2" 3/8" Drilled and threaded for 1/4 RR Stud 1/4" WIDE To be made in M.S 14 No Required LOOSE FITTING TYPE PIN JOINT SOCKET Scale Full Size H.S. No 1644 7 December 1934 | ||