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).
Instructions for insulation and asbestos testing procedures.
| Identifier | ExFiles\Box 24\2\ Scan051 | |
| Date | 24th January 1919 | |
| RR 300 (120B) (SF 349 24-1-19) MP 208552 88227 ROLLS-ROYCE LIMITED. INSTRUCTIONS. 19 To Order No. Customer's No. Re. Insulation Testing (Contd). ⑥ Heat in oven until change occurs. Note whether softening, cracking, peeling, carbonization &c and temperature. ⑦ According to use for which intended, place in petrol or other spirits, and observe solution. ⑧ Place in sulphuric acid and observe effect. (e) Asbestos. ① Test fire-proof qualities with arc. (Contd) Signed This Sheet must be filed on completion of the work. | ||