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).
Outside patent searches listing specifications not yet accepted but open to public inspection for the week ending 27th June 1940.
| Identifier | ExFiles\Box 147\4\ scan0004 | |
| Date | 27th June 1940 | |
| OUTSIDE PATENT SEARCHES. REPORT BY CLAREMONT HAYNES & CO. Week ending 27th June 1940. SPECIFICATIONS not yet accepted which have become open to public inspection. ---------------- No. Patentee. Title. 14422 H.C.A.Potez Two stage compression arrangement for aircraft engines 21181 Von Giesche's Erben G Magnesium alloys 21182 " " 21183 " " 21686 " " 32055 Bendix Aviation Pitot-static tube. Corporation. 32115 General Motors Cor- Mercury circuit- poration. interruptors. ---------------- Copies of these, or extracts from them can be obtained if desired. | ||