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).
Order of radiator mounting blocks from Firestone Ltd.
| Identifier | ExFiles\Box 112\1\ scan0057 | |
| Date | 24th June 1938 | |
| γ 840 To Roy.{Sir Henry Royce} from Rm{William Robotham - Chief Engineer}/Std. c.c. G/JWH. Rm{William Robotham - Chief Engineer}/Std.13/MH.{M. Huckerby}24.6.38. Will you please order from Messrs. Firestone Ltd., 4 radiator mounting blocks to their No.025, similar to those already ordered but having the following durometer hardness:- 2 blocks durometer hardness 60 - 65. 2 blocks durometer hardness 40 - 45. We require these at the earliest possible moment in connection with tests on radiator shake on 1.B.50. Rm{William Robotham - Chief Engineer}/Std. | ||