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 drawing for a 'BIG END BUSH' from Wellworthy Piston Rings Limited.
| Identifier | ExFiles\Box 116\3\ scan0079 | |
| Date | 29th October 1937 | |
| DRG. No: SK 2697 SHEET SIZE No: C BUY 47 1/8 DIA. OIL HOLES. DRILL IN POSITION 1/64 x 45° 2" +.002 DIA. REAM IN POSITION 2 1/4 DIA + 2 1/2 2 5/64 BORE OF SHELL 2" - 6 BORE BEFORE PRESSING IN POSITION 1 1/4" - B No. 4 DRILL IN POSITION D.R. LTD West WELLWORTHY PISTON RINGS LIMITED TOOL OR PART BIG END BUSH PART No MACHINE NAME & No DRAWN A.H.M. CHECKED [illegible] ADDITIONAL SHEETS DATE 29.10.37 SHEET SIZE & No C1 DRG. No: SK 2697 | ||