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 Houdaille Hydraulic Suspension Co. regarding their patent thermostatic vacuum-operated shutters.
| Identifier | ExFiles\Box 156\1\ scan0017 | |
| Date | 13th October 1930 | |
| C O P Y. THE HOUDAILLE HYDRAULIC SUSPENSION CO., LTD., 69, Drayton Gardens, South Kensington, LONDON, S.W.10. Ref:C.D./D.S. 13th October, 1930. For attention of Lieut. Col. Fell. Messrs. Rolls Royce, Ltd., 15, Conduit Street, W.1 Dear Sirs, THE "R.P." PATENT THERMOSTATIC VACUUM-OPERATED SHUTTERS. --------------------------------- We enclose herewith Blue Print (S.U.103) showing the construction and a suggested layout of this new System, which we have been very carefully testing and perfecting for the past 12 months. We also enclose a few short Notes setting out the advantages, not least of which is:- ITS EXTREME CHEAPNESS. We should welcome a visit from you at our Stand at Olympia to demonstrate the System, failing which we shall be glad to call on you at your Works to show it to you after the Show. Yours faithfully, THE HOUDAILLE HYDRAULIC SUSPENSION CO., LTD., (Signed) C. DEFRIES, Managing Director. | ||