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 The Light Production Co. Ltd. regarding the naming of 'Cellex' and 'Cellotin' piston ring treatments and confirming order details.
| Identifier | ExFiles\Box 148\1\ scan0027 | |
| Date | 14th December 1938 | |
| C.T.S. 1256. TELEPHONE: VICTORIA 0671 (5 LINES). CODES: A.{Mr Adams} B. C. 5TH EDITION. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ON ADMIRALTY, WAR OFFICE AND AIR MINISTRY LISTS. THE LIGHT PRODUCTION CO.LTD PROPRIETORS OF THE LONDON PISTON RING CO. LIMITED. CHAIRMAN & MANAGING DIRECTOR: M.V. ROBERTS. DIRECTORS: E.G. DAVIES. WM. THIRTLE. ENGINEERS TELEGRAMS: INLAND, NAPOLEONIC, SOWEST, LONDON. FOREIGN, NAPOLEONIC, LONDON. 60/66, ROCHESTER ROW, WESTMINSTER, S.W.1 WORKS AND GOODS ADDRESS: 61/67, GREENCOAT PLACE, WESTMINSTER, S.W.1. OUR REF. CHE/DP YOUR REF. RR/CTS.{C. Trot Salt - Carburation}2/JH 14th December, 1938. Messrs. Rolls Royce Ltd., Experimental Dept., DERBY. file Dear Sirs, In reply to your communication of the 12th instant, your remarks concerning the T.T. Bentley Piston equipment have been noted and we will keep this available. With regard to Piston Rings having an Oxide Surface Treatment we have given to our process the name of "Cellex" to distinguish it from the other treatment which we have involving the use of Tin, and to which we have given the name of "Cellotin". We will accordingly put in hand right away, 36 Compression Rings and 18 Oil Control Rings for the 3½" bore piston to be processed bythe Cellex treatment, and we will let you have these within the course of the next few days. With reference to the various orders for pistons with raised crowns, we would confirm our delivery promises given to Mr. Rowbotham yesterday by the writer, namely:- 1. The quantity of 21 requisitioned against your order No. 77110 to be delivered this coming week-end. [Watermark: NON-HUB-SIZED ARCHMENT] | ||