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).
Index sheet listing file numbers, subjects, and their corresponding date ranges.
| Identifier | ExFiles\Box 177\2\ img199 | |
| Date | 1st March 1932 guessed | |
| Sheet 2. FILE NO. CONTENTS SUBJECT. FROM TO 1256/1 Pistons - General March 1921 Sept. 1943 1256/2 Pistons - General Nov. 1938 Dec. 1941 1259 Number Plates - General Dec. 1920 Nov. 1939. 1260/1 Costs & Economy Sept. 1924 Sept. 1938 1260/2 Costs & Economy Oct. 1938 Feb. 1939. 1261 Project - Costing July 1937 Feb. 1938 | ||