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).
Laboratory report from Price's Patent Candle Company comparing the properties of various motor oils.
| Identifier | ExFiles\Box 32\3\ Scan011 | |
| Date | 10th October 1912 | |
| 1794/ Price's Patent Candle Company Limited. No. TWO Messrs Rolls Royce Limited, DERBY. STAMP: RECEIVED 12 OCT 1912 A STAMP: RECEIVED 12 OCT 1912 10th October 1912. Copy of Belmont Laboratory Report. Wakefields Wakefields Prices Racing Oil. Touring Oil. Motricine B. Specific Gravity @ 60° Fahr.......... 0.946 0.911 896 Viscosity @ 60° Fahr. Redwood........ 5145 2207 4860 @ 130° ,, ............ 823 403 86 @ 212° ,, ............ 207 135 Flash Point, close ................. 340°F.{Mr Friese} 270°F.{Mr Friese} . 435°F ,, ,, open ................ 365°F.{Mr Friese} 385°F.{Mr Friese} 480°F Fire Test........................... 400°F.{Mr Friese} 425°F.{Mr Friese} 560°F Fatty Matter % ..................... 78.12 6.23 Free Fatty Acids % ................. 0.5 0.45 0.22% Evaporation on exposure for 1 hour @ 370°F.{Mr Friese} 9.78 4.81 1.4% Handwritten Note: See Blue Books, Page 35. | ||