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 Autovac Manufacturing Co. Ltd. regarding the performance of Valve AV.357 and an offer of an apparatus for testing.
| Identifier | ExFiles\Box 40\4\ Scan321 | |
| Date | 30th October 1929 | |
| THE AUTOVAC MANUFACTURING Co. LTD. No. ........................ Messrs. Rolls Royce, Ltd. 30th October, 1929. We have been using Valve AV.357 for a considerable time on Commercial Vehicles, and the results have been very satisfactory. If you would like to try the Apparatus we used in the second test, we should be pleased to send it along to you at once. Yours faithfully, For AUTOVAC MFTG. CO. LTD., Moyle Manager. Encl. Blue Prints. | ||