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 Christr. Thomas & Bros. Ltd. regarding the properties of 'Zero' antifreeze for cooling systems.
| Identifier | ExFiles\Box 151\3\ scan0058 | |
| Date | 19th October 1928 guessed | |
| Owing to the fact that Zero neither evaporates nor boils away, one application will last for an indefinite period, provided, of course, there is no leakage in the cooling system. Reference to the freezing curve will enable you to estimate the strength of solution required under varying conditions, and we would also like to draw your attention to the boiling curve which shows that a strong solution of Zero slightly raises the boiling point - a fact which will no doubt interest you in connection with the employment of aircraft engines under tropical conditions. Should you require any further particulars in connection with this matter, Mr.Nares will be pleased to call upon you at any time convenient to you. Yours faithfully, CHRISTR.THOMAS & BROS.LTD. [Signature] MS Nares ENCLO N/WO | ||