Letter to The British Thermostat Co. Ltd. returning original thermostats and requesting modified replacements for testing.
| Identifier | ExFiles\Box 156\1\ scan0194 | |
| Date | 14th May 1937 | |
| 13 2 8 Experimental Dept. Rm {William Robotham - Chief Engineer} /Std.3/JH. 14th May. 1937. The British Thermostat Co.Ltd., Teddington Works, Windmill Road, Sunbury-on-Thames, MIDDLESEX. For the attention of Mr. Martin-Hurst. Dear Sirs, We have received your letter of the 11th instant for which we thank you. We are returning to you two of the original thermostats which you sent us and would like you to send the following thermostats, for these purposes :- (1) Two thermostats to B.G.A.3357A with valve seatings 1 5/8" dia. (as modified thermostat to B.G.A.2073A already supplied) and set to commence opening at 80°C +- 1°C. and reach full open at or below 90°C. (2) Two thermostats to B.G.A.2073A with valve seatings modified to 1 3/8" dia. and set to open at 80°C. +- 1°C. and reach full open at or below 90°C. These thermostats should have as near as possible a production finish and standard of accuracy. Our official order for same will follow. Yours faithfully, FOR ROLLS-ROYCE LTD. | ||
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).