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).
Promotional letter from R. A. Rothermel, Ltd. regarding their PERFECT CIRCLE Oil Regulating Ring.
| Identifier | ExFiles\Box 16\1\ Scan167 | |
| Date | 24th November 1924 | |
| Telephone Nos 'MAYFAIR 578 & 579. Telegrams: ROTHERMEL, WESDO, LONDON. R.{Sir Henry Royce} A.{Mr Adams} ROTHERMEL, LTD. MANUFACTURERS, IMPORTERS & FACTORS of MOTOR CAR COMPONENTS, ACCESSORIES, TOOLS, WIRELESS. Sole Director: R.{Sir Henry Royce} A.{Mr Adams} ROTHERMEL, AMERICAN CITIZEN. 24 & 26, MADDOX STREET, REGENT STREET, LONDON. W. 1. Your Ref._______ Our Ref. MM. Messrs. Rolls-Royce, Ltd., 15, Conduit Street, W.1. RECEIVED 24th November 1924. Dear Sirs, The purpose of this letter is to assist you in overcoming one of the most potent sources of trouble in the Internal Combustion Engine - oil pumping. It is hardly necessary for us to mention that fuel consumption could be reduced, carbon deposit eliminated, and oiled plugs cured if ring construction were perfect, but ring construction, generally speaking, is not perfect and until the advent of the PERFECT CIRCLE Oil Regulating Ring the things mentioned above were almost universal. We are enclosing with this letter sample of the PERFECT CIRCLE Oil Regulating Ring, with printed matter describing it. Obviously, there must be very considerable features in a device that has been standardised by Isotta-Fraschini in Italy, Farman in France, and Packard, Cadillac, Marmon, Franklin, Duesenberg and Rickenbacker in America, to say nothing of manufacturers of such well known commercial motors as Continental and Wisconsin. Every big race in the United States for the last two years has been won by cars fitted with these Rings, and if they give satisfactory results in racing practice, they certainly ought to give better results in ordinary every-day work. We are so confident that your engines will be improved if they are fitted with PERFECT CIRCLE Oil Regulating Rings that we are prepared to make you up one or...... Handwritten text: Top Center: MH{M. Huckerby} Ph send to E.H X741 Left Center: M.H. DEP Over 'Rolls-Royce': A# | ||