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 results of an oil viscosity test.
| Identifier | ExFiles\Box 32\4\ Scan092 | |
| Date | 7th September 1921 | |
| X.1588 W.H. B. (100 T) (S.H. 798. 10-12-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2948 HS.{Lord Ernest Hives - Chair} H11/GLT 7.9.21. Laboratory. Re Oil submitted 5.7.21. Viscosity test. 130°F----- 596 secs.) 50 ccs. 212°F----- 86 secs.) The oil is no thinner showing that there is no paraffing present. H1. H.{Arthur M. Hanbury - Head Complaints} RECEIVED | ||