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).
Comparison of specification figures for Motorine R. and B.P. Castor Oil.
| Identifier | ExFiles\Box 27\1\ Scan184 | |
| Date | 22th April 1929 | |
| COPY. (2) H.{Arthur M. Hanbury - Head Complaints} Royce Esq. 22nd April, 1929. SPECIFICATION FIGURES. -------------------- MOTORINE R.{Sir Henry Royce} B. P. CASTOR OIL. Specific Gravity .955/60 .960 Viscosity @ 70°F.{Mr Friese} 3448" 3640" " @ 140°F.{Mr Friese} 305" 330" " @ 200°F.{Mr Friese} 88" 96" Flash Point 400/50°F.{Mr Friese} 450°F.{Mr Friese} Setting Point -5°F.{Mr Friese} -5°F.{Mr Friese} -------oOo------- | ||