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 comparing the viscosity and flash points of l'huile 'M.13.5' and 'M9.5' against Prices' oils.
Identifier | ExFiles\Box 32\4\ Scan108 | |
Date | 11th April 1922 | |
H.M. 238A (100 T) (E 13. 798. 10-12-40) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2047 X. 1588 ? Hs{Lord Ernest Hives - Chair} H12EA11722 Laboratory Re l'huile "M.13.5" corresponding to Prices Amber gear oil and l'huile "M9.5" corresponding to Prices Motorine "C" l'huile "M.13.5" Viscosity:- Temp 50ccs 130°F 397 secs. 212°F 73 " Flash Point (Open) 258°C This oil is similar to Prices Motorine "B" L'huile "M9.5" Viscosity:- Temp 50ccs 130°F 268 secs. 212°F 74 " Flash Point (Open) 243°C This oil is similar to Prices Motorine "C" RECEIVED F.C. 11 APL 1922 Hl. IHC | ||