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).
Suggestion to modify insulation using an asbestos steel sheet and reducing an insulating cavity.
| Identifier | ExFiles\Box 92\1\ scan0019 | |
| Date | 24th August 1934 | |
| - 4 - continued:- EV{Ivan Evernden - coachwork}1/IH.24.8.34. board and the rear shield, and the sheet of asbestos steel will serve to prevent any radiation. We suggest that if this scheme proves satisfactory, the depth of the insulating cavity might be reduced from 1" as it is at present to about 5/8" or 1/2". EV.{Ivan Evernden - coachwork} ----- | ||