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 regarding a sample of Redmanol insulation varnish for experimentation and testing.
| Identifier | ExFiles\Box 39\3\ Scan221 | |
| Date | 20th August 1923 | |
| RR. 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 X 3513 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: EFC Order No: X 3513 Customer's No. 20-8-1923 Herewith a sample of Redmanol Insulation. This is made from a powdered resin which They supply. We have dissolved this in alcohol, as per their instructions & this varnish is the result. You will find that this varnish dries rapidly & does not "corrode" copper or brass. It also withholds acid fumes & acid. Their intention is to experiment in the making of sheet laminations with this. But should be pleased if you will make some tests of your own. kindly oblige EFBrock Signed This Sheet must be filed on completion of the work. | ||