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).
Urgent internal request to order dynamo driving blocks with two different hardness levels for vibration testing.
| Identifier | ExFiles\Box 108\2\ scan0117 | |
| Date | 1st July 1938 | |
| 600. To Roy.{Sir Henry Royce} c. to G/JWH. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}15/JH.1.7.38. Will you please order some dynamo driving blocks as follows which otherwise are to E.87011 moulded to the driving pins E.88267. 6 with durometer hardness of 30 - 35. 6 " " " of 40 - 45. The above are urgently required in connection with vibration tests that we are carrying out. Rm{William Robotham - Chief Engineer}/Dwdl. | ||