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).
Product list from The Insulating & Waterproofing Compounds Company.
| Identifier | ExFiles\Box 24\2\ Scan174 | |
| Date | 21th September 1921 guessed | |
| X.1109. The Insulating & Waterproofing Compounds Company (J.{Mr Johnson W.M.} HENDERSON, D Sc. M.I.E.E.) 99, CURTAIN ROAD, LONDON, E.C. SPECIALITIES. Insulating Compound M.R. 695. For Impregnating Coils, etc. "Invarine." An insulating Spirit Varnish for Metals. Anti-Sulphuric Enamels. "Lamplac" transparent coloured Lacquers for Lamp Bulbs. "Proofine," a Waterproofing Compound for Leather and Textile Fabrics. "Racvar." A Waterproofing Preservative for Tennis Racquet Strings and Frames. | ||