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).
Cross-sectional drawing of a recuperating valve arrangement with a piston detail.
| Identifier | ExFiles\Box 152\2\ scan0076 | |
| Date | 27th October 1937 guessed | |
| 1293, THIS DESIGN IS NEITHER SOLD NOR GIVEN, BUT LOANED. IT IS COPYRIGHT AND REMAINS THE PROPERTY OF, THE ARMSTRONG'S PATENTS Co LTD., IT IS STRICTLY CONFIDENTIAL, AND MUST NOT BE LENT, COPIED, OR REPRODUCED WITHOUT PERMISSION, AND IS SUBJECT TO RECALL., PISTON ROLLED OVER THIMBLE., ARR. OF RECUPERATING VALVE, ARMSTRONG'S PATENTS Co. LTD., BEVERLEY., 479-Z, H. {Arthur M. Hanbury - Head Complaints} | ||