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).
Test report on the properties of Redmanol Varnish.
| Identifier | ExFiles\Box 24\2\ Scan251 | |
| Date | 6th March 1924 | |
| RR 238 (750 BKS.) (SH57.29-6-20.) MP 224358 X. 1109. ROLLS-ROYCE LTD. INSTRUCTIONS. To E.F.C. Order No. AC.4. Customer's No. 1 6 March 1924. X.3513. Redmanol Varnish. A sample of this varnish, made by dissolving a supplied powder in Alcohol, which was received from Mr Brock several months ago, has now been submitted to some tests as follows. Some pieces of tin-foil 2" x 2.75" were covered for the tests. Time to dry. 10 to 15 minutes. Coating. Thickness of one coat .0005" The varnish flakes off if scraped fairly hard with a knife. Elasticity. The varnish cracked very locally when the foil was bent double each way two or three times. Heating. Placed on a heated metal plate, the varnish became sticky (Contd) Signed This Sheet must be filed on completion of the work. | ||