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).
Advice note from Armstrong's Patents Co. Ltd. for a pair of balanced valves for the Experimental Department.
| Identifier | ExFiles\Box 152\1\ scan0290 | |
| Date | 13th April 1937 | |
| Manufacturers of the ARMSTRONG SHOCK ABSORBERS, Etc. Etc. No. C 3980 1893 ADVICE FROM ARMSTRONG'S PATENTS Co.Ltd. TELEPHONE : 410 & 411 BEVERLEY. TELEGRAMS : ARMSTRONG'S PATENTS. EASTGATE BEVERLEY E. {Mr Elliott - Chief Engineer} YORKS. 13th. April 1937 Messrs. Rolls Royce, Ltd. DERBY. YOUR ORDER No. Per Mr. Armstrong. For the attention of Mr. Leslie S. Experimental Department. 1 Pair Balanced Valves to suit rod controlled shock absorbers in your possession. Despatched by Post Carr. Paid. USE ONLY ARMSTRONG'S "SPECIAL" SHOCK ABSORBER OIL. | ||