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).
Experimental 16.00 x 3.00 'D' ventilated disc wheel from Kelsey-Hayes Wheel Co. Ltd.
| Identifier | ExFiles\Box 159\7\ scan0301 | |
| Date | 17th June 1941 | |
| 13248 PART TOOL No. Ex 7534 SHEET 1 3.00 ± .053 15.946 DIA. (S.O.D.38 ± .047 CIRC.) .433 SPH. RAD .531 1.650 R/M *A* FRACTIONAL FINISHED DIMENSIONS ± .005" MARK TOOL NO & DETAIL NO ON ALL DETAILS AND BRAND OF STEEL ON ALL HARDENED OR HEAT TREATED DETAILS. 8.00 P.C. DIA ± .003 R.R. Inv. R.G. 2347 KELSEY-HAYES WHEEL CO. LTD. DAGENHAM DOCK, ESSEX. EXPERIMENTAL 16.00 x 3.00 'D' VENTILATED DISC WHEEL NTR RE SCALE: FULL DATE: 17-6-41 PART TOOL NO.: Ex. 7534 SHEET 1 CHG. NO. | LET | CHANGES | DATE | DR | DW | TR{Capt. F. W. Turner - Finance} | CH | DE | APP | ENG RELEASED | ||