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).
Enclosing two blueprints for the Ex.S.562 spring for Armstrong Dampers and requesting the instruction to manufacture 12 of them.
| Identifier | ExFiles\Box 152\2\ scan0111 | |
| Date | 10th March 1938 | |
| EPS. c. Rm. {William Robotham - Chief Engineer} c. Rm {William Robotham - Chief Engineer} /Les. 1293. BY {R.W. Bailey - Chief Engineer} /Ald. {F. Allwood - Experimental Design} 4/G.10.3.38. ARMSTRONG DAMPERS. Please receive herewith two blueprints of the following :- Ex.S.562 Spring - Armstrong Damper. 12 off. This spring is detailed in accordance with Rm {William Robotham - Chief Engineer} /Les.3/MH. {M. Huckerby} 3.3.38. Will you kindly instruct 12 springs to this drawing. aed BY {R.W. Bailey - Chief Engineer} /Ald. {F. Allwood - Experimental Design} | ||