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).
Booklet on the running-in of internal combustion engines from Edward Joy & Sons Ltd.
| Identifier | ExFiles\Box 145\3\ scan0313 | |
| Date | 25th January 1940 guessed | |
| THE running-in OF INTERNAL COMBUSTION ENGINES With the Compliments of EDWARD JOY & SONS LTD., Makers of:— “FILTRATE” (Regd.) RUNNING-IN-COMPOUND COLLOIDAL “PETROYLE” (Regd.) For Upper Cylinder Lubrication and COLLOIDAL PENETRATING OIL. (Containing Acheson Colloidal Graphite) ENCLOSURE Nọ 954 “JUSTSO” | ||