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).
Series of questions regarding the properties and uses of different insulating materials.
| Identifier | ExFiles\Box 39\3\ Scan026 | |
| Date | 3rd March 1921 | |
| X 3673 EFC/T3.3.21. X.1109 - INSULATING MATERIALS. 1. Can Bakelite in the form of sheets be used in place of Micanite ? 3673 Ref. Nos. X.4285 - Bakelite insulation. 2. What is the exact difference between Vulcanite and Stabalite ? Ref. Nos. X.4287 - Stabalite. X.2505 - Vulcanite. 3. Is the German Stabalite better than the Stabalite used for the Watford magneto distributor ? Ref. No. X.4287 - Stabalite. | ||