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).
Letter from piston specialists Allen & Simmonds promoting their patented frictionless pistons with a case study.
| Identifier | ExFiles\Box 77\1\ scan0032 | |
| Date | 15th October 1920 | |
| X1105 CODE: 'MARCONI INTERNATIONAL'. TELEGRAMS: 'PISTONS, READING.' TELEPHONE NO 1314. ALLEN & SIMMONDS (READING) LTD PISTON & PISTON RING SPECIALISTS, AERO ENGINEERS, ETC. THAMES SIDE ENGINEERING WORKS, READING, BERKS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE COMPANY NOT TO INDIVIDUALS. SPECIALITIES ALLEN PATENT FRICTIONLESS PISTONS, PISTON VALVES AND ROD PACKINGS. COVERED BY 30 BRITISH PATENTS AND 50 FOREIGN PATENTS. SPECIALITIES PISTONS, PISTON RINGS AND GUDGEON PINS FOR AERO AND OTHER INTERNAL COMBUSTION ENGINES. MACHINE GUN MOUNTINGS. [Logos on left margin:] ENGINEERING EMPLOYERS' FEDERATION 1896 MEMBERS OF THE NATIONAL UNION OF MANUFACTURERS (INCORPORATED) THE SOCIETY OF BRITISH AIRCRAFT CONSTRUCTORS SBAC MOTOR TRADE ASSOCIATION MTA THE SOCIETY OF MOTOR MANUFACTURERS & TRADERS Members of the London Chamber of Commerce Incorporated [Logo on right margin:] THE BRITISH ENGINEERS ASSOCIATION B E A 15th. October 1920. Please quote Ref. RA/WJB. H.{Arthur M. Hanbury - Head Complaints} Swift Esq., Messrs Rolls Royce Ltd., Nightingale Road, DERBY. Dear Sir, You will remember Mr. Allen Junr. calling upon you some eight or nine months ago, when he brought to your notice my patent pistons. Since that time we have carried out a number of fitments to internal combustion engines for motor cars, motor lorries, motor omnibuses, and the like. The following are facts which we feel sure you will be interested to hear of: In one case I would cite a Reading Corporation Motor Bus, chassis by A.E.C. Between the dates of August 25th. and October 10th. the total lubricating oil consumption was one gallon only. This bus, prior to the fitment of my pistons, was using 1 1/2 gallons of lubricating oil per day. There is an entire absence of smoke from the exhaust, practically no carbonization whatsoever, the bus certainly has marked increased pulling power, and runs very much quieter and better in every way. Messrs Thomas Wethered & Sons, of Marlow, who had | ||