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).
Alteration note for the dimensions of a front brake drum.
| Identifier | ExFiles\Box 137\5\ scan0182 | |
| Date | 25th November 1937 | |
| H.P.S. [Struck through: IPS/C&L] [Struck through: RHC{R. H. Coverley - Production Engineer}/CAN.] 17177 / F.{Mr Friese} 1028 25-11-37 SEC 7044 BENTLEY III GB 2828. BRAKE DRUM - FRONT. A/. DIA: OF INNERMOST RIB ALTERED FROM 14.500(+5) DIA: TO 13.700(+5) DIA: & B/DIA: NEAR THIS RIB ALTERED FROM 12.775(-10) DIA: TO 12.800(-10) & 12.575 DIA: (BETWEEN RIBS) ALTERED TO 12.700(-10) DIA: REASON: A/. TO SUIT WHEEL THAT IS NOW TO BE USED. B/. MR MARTINDALES REQUEST C.J. | ||