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 detailing the chemical analysis of sludge from a crank pin.
Identifier | ExFiles\Box 145\2\ scan0069 | |
Date | 30th August 1935 guessed | |
LABORATORY REPORT IN CONNECTION WITH THE SLUDGE FROM CRANK PIN Soft black deposit containing free metal. Oil soluble in 40. P.E. 23.5% Oxidised oil sol. in Benzene 1.4% Other combustible matter 7.7% Mineral matter 67.4% ----- 100.0 ===== Mineral matter contains:- Sand (SiO2) 16.1% Lead oxide (PbO) 24.8% Tin oxide (SnO2) 2.5% Iron and aluminium oxide (Fe2O3) 44.9% Chromium oxide (Cr{Mr Cra???ster / Mr Chichester}2O3) 4.2% Lime (CaO) 3.6% Copper oxide (CuO) trace ----- 96.1% ===== | ||