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).
Specification sheet for oil from the Vacuum Oil Company, Limited.
| Identifier | ExFiles\Box 145\1\ scan0279 | |
| Date | 12th October 1938 guessed | |
| Y56 44706 No. .2. V.O.Co., Ltd., to Specific Gravity ........... .904 Open Flash ................. 380°F Saybolt Viscosity @ 100°F ... 224" @ 130°F ... 111" @ 210°F ... 48" Colour ..................... 14 Yours faithfully, VACUUM OIL COMPANY, LIMITED. C. Haves Chief Engineer. OTJ/ND | ||