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 detailing an oil filter installation.
| Identifier | ExFiles\Box 135\3\ scan0275 | |
| Date | 21th May 1938 | |
| CHANGE RECORD SIGN WAS No. DATE BY TRACED 414 21-5-38 G.C UNLESS OTHERWISE SPECIFIED ALL FRACTIONAL DIMENSIONS CARRY TOLERANCES OF PLUS AND MINUS .010; ALL DECIMAL DIMENSIONS PLUS AND MINUS .005, EXCEPTIONS; DRILLED HOLES PLUS .003 MINUS .001, DIE CASTING FRACTIONAL PLUS AND MINUS .005, DECIMAL PLUS AND MINUS .003. *THESE PARTS SUPPLIED AND FITTED BY CUSTOMER OUTLET *[EW-1501] *[E.47910] INLET *[EW-1502] *[F-53162-2] DIMENSIONS: 7/8 3 20.DIA ± .015 3 15/16 + 1/32 DIA 8 1/8 + 3/4 9 +1/64 -1/64 PART NUMBER: 1530064 TEST AT 100 LBS PER SQUARE INCH. AFTER TESTING, EMERY AND POLISH OUTSIDE, SPRAY AND FINAL POLISH WITH SMOOTH CLOTH USING NOBEL Nº7 POLISH. AC.FLINT. AC-TITAN. F.S. CUSTOMER E.K.R. SALES. (Text on left margin) DRAWN FROM: 1530021 E.C.D. 80 SCALE: 1:2 DATE: 21.5.38 MATERIAL: SEE DETAILS FINISH: 35/20S NOBEL BLACK, 3 COATS. NAME: OIL FILTER INSTALLATION Z.S.I FOR: ROLLS ROYCE MAT.SPEC: HT.TREAT: DRAWN: TRACED: G.C CHECKED: [Signature] APPROVED: [Signature] A.C.SPHINX SPARKING PLUG Co. Ltd. DUNSTABLE, BEDS. ENGLAND. DRAWING NUMBER: 1530063 A.C.S. 652 - 2,500 - 9-37 | ||