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).
Drawing for a jig used to chromium plate the bore of a cylinder liner, including details of its constituent parts.
| Identifier | ExFiles\Box 140\3\ scan0197 | |
| Date | 5th April 1938 | |
| SUIT EYE BOLTS (21) PART SECTION A.A. (23) ONE OFF CAST IRON PATT No J.T. 4816 TWO CASTINGS ARE REQUIRED SAME PATT No REAM 7/16 DIA A SIX HOLES 1/8 DIA BORE TO BE OF SMOOTH FINISH & STRAIGHT & EXACTLY TO SIZE SECTION B.B.B. 1/8 DIA PIN DRILL WITH NUT IN POSITION 3/4 SLIDE ON 26 3/8 DIA SLIDE ON 26 DRILL FOR 1/8 DIA PIN SIX OFF M.S. (27) TWO OFF M.S. (28) SIX OFF M.S. (26) TWO OFF M.S. (25) TWO OFF M.S. (24) GOOD FINISH RADIUS TITLE BLOCK: LEYLAND MOTORS LTD JIG & TOOL OFFICE UNTIL APRIL 5TH 1938 DEPT: CHROMIUM PLATING ADDITIONAL COMPS. JIG MADE FOR F.I.N.O X 47947 NAME: CYLINDER LINER OPERATION: CHROMIUM PLATE BORE JIG No: 17430 No OF DETAILS: 42 DETAIL Nos 23 TO 28 | ||