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 Cambridge Instrument Company quoting the cost for a special radiator thermometer.
| Identifier | ExFiles\Box 175\4\ img039 | |
| Date | 18th June 1926 | |
| X3815 #3787 TELEGRAMS: UNPIVOT SOWEST, LONDON. CODES: A B C (5TH AND 6TH EDITIONS). WESTERN UNION. BENTLEY'S. TELEPHONE: VICTORIA 7640 (3 LINES) CAMBRIDGE INSTRUMENT COMPANY, LIMITED, MANUFACTURERS OF MECHANICAL & ELECTRICAL INSTRUMENTS OF PRECISION. WORKS: LONDON AND CAMBRIDGE. REGD. TRADE MARK. HEAD OFFICE AND SHOWROOMS: 45, GROSVENOR PLACE, LONDON, S.W.1. YOUR REF........... Hs{Lord Ernest Hives - Chair}/HML/LG IN REPLY PLEASE QUOTE LFC/RI Messrs.Rolls Royce Ltd., D E R B Y. June 18th.1926. Dear Sirs, Referring to your letter of the 11th.inst. addressed to our Cambridge works, we have looked care-fully into the cost of the special radiator thermometer as outlined in the last paragraph of this letter, and would say that as only one instrument would be required the scale will have to be made by hand, and we estimate the cost of the thermometer with 6' capillary tubing and fitted with electric alarm attachment to be £3.15.0. less your usual discount of 15%, plus an extra cost of £2.15.0 nett for the special hand divided scale. We presume that an accuracy of ±2° at any point will meet your requirements, but if specially desired we do not think that there will be any difficulty in giving you an accuracy of ±1°, and would add that we do not think this would involve any extra cost. If, of course, you should require a number of thermometers of this type, then we could make up a new master dial for the new range, with the result that the | ||