Letter from the British Thermostat Co. Ltd. regarding the supply of four thermostats for testing.
| Identifier | ExFiles\Box 156\1\ scan0169 | |
| Date | 17th March 1937 | |
| 1328. Telephone: SUNBURY-ON-THAMES 456 (5 LINES). Code: BENTLEY'S. Telegrams & Cables: THERMOSTAT, SUNBURY-ON-THAMES. FBI INCORPORATED BY ROYAL CHARTER MEMBERS OF THE NATIONAL UNION OF MANUFACTURERS THE BRITISH THERMOSTAT CO., LTD. Makers of Scientific Instruments. DIRECTORS: M. {Mr Moon / Mr Moore} PAYNE. W. A. {Mr Adams} PAYNE. J. {Mr Johnson W.M.} E. {Mr Elliott - Chief Engineer} SHERLOCK. L. S. SWINNERTON-DYER. TEDDINGTON WORKS. Windmill Road, Sunbury-on-Thames, Middlesex. WMH/GN: March 17th, 1937 Messrs. Rolls-Royce Ltd. DERBY. Dear Sirs, For the attention of Mr. Steadman. Rm {William Robotham - Chief Engineer} /SM We are to-day posting to you four thermostats to our Drawing No. BGA.2073A with the exception that a ball air release valve is fitted which is not shown on the drawing. One thermostats opens at 75°, and is full open at 84°, the second opens at 80°, and is full open at 88°, and third opens at 85°, and is full open at 94°. The fourth is held permanently open to enable you to carry out flow tests. We shall be very interested to hear the results of your trials. Yours truly, THE BRITISH THERMOSTAT CO. LTD. W. Martin-Hurst. Director. ENCL: Drawing No.BGA.2073A. | ||
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).