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).
Instructions and drawing for an experimental tappet screw lock.
| Identifier | ExFiles\Box 33\2\ Scan016 | |
| Date | 10th January 1916 | |
| Continued from previous sheet 42052 H.R. 299 (12 m) (S.A. 607. 19-5-15) E.P. 8514. ROLLS-ROYCE LIMITED. INSTRUCTIONS. To G.O. Order No. Customer's No. Drawing Text: Drill .331 +3 TAP .375 34 TPI RH.{R. Hollingworth} .601 .644 .175 12 off. M.S. Main Box Text: EXPERIMENTAL TAPPET SCREW LOCK. No X1913 Signed: RMB This Sheet must be filed on completion of the work. | ||