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 regarding the machining of cylinder blocks for testing their patent pistons.
| Identifier | ExFiles\Box 77\1\ scan0058 | |
| Date | 18th April 1921 | |
| X1105 CODE:"MARCONI INTERNATIONAL" TELEGRAMS: "PISTONS, READING". TELEPHONE Nº 1314. RECEIVED ALLEN & SIMMONDS (READING) LTD PISTON & PISTON RING SPECIALISTS, AERO ENGINEERS, ETC. THAMES SIDE ENGINEERING WORKS, READING, BERKS. 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. PLEASE ADDRESS ALL COMMUNICATIONS TO THE COMPANY NOT TO INDIVIDUALS. HS{Lord Ernest Hives - Chair} 18th.April 1921 Messrs. Rolls-Royce Ltd., Nightingale Road, DERBY. Please quote Ref. TAS{T. Allan Swinden}/LL Dear Sirs, We are very pleased to note from your letter of the 15th.inst. that you are machining specially some cylinder blocks for the purpose of trying out our patent pistons, and at the same time insuring that the ring in the skirt of the piston will be inside the parallel bore, and we thank you for the assistance you are giving us in this matter. We shall be pleased to send through one of our mechanics to deal with the fitment immediately upon advice from you. Yours faithfully, FOR ALLEN & SIMMONDS /READING/ LTD., B.Tull, Secretary. | ||