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).
Instruction sheet listing various insulation materials required for testing and their potential suppliers.
| Identifier | ExFiles\Box 24\2\ Scan132 | |
| Date | 12th April 1921 | |
| RR.300 (120B) (SF 349 24-1-19) MP 200552 88311 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: EFC Order No: AA{D. Abbot-Anderson}56 Customer's No.: 1 Re: X1109 12 April 1921 Insulation Required for Testing. The list of samples now wanted is as follows. Bakelite, Condensite, Beld elite, Birkby's Moulded Insulation, Solidite, Tapilac. Bakelite should be obtainable from the BTH Co, who may also supply the raw material. Bakelite sheet is also supplied by Archibald Campbell, 8, Wolseley Rd, N.P. (Agents for the Swiss Insulating Works) Birkby's Moulded Insulation, is sold (Contd) Signed This Sheet must be filed on completion of the work. | ||