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).
Record card detailing the supply and status of Clutch Cone G1860 to the Test Department.
| Identifier | ExFiles\Box 74\2\ scan0149 | |
| Date | 1st July 1912 | |
| R.R. 148 (20 H) (X 970. 23.5.12) G 2599. x356 G/535. Clutch Cone G1860 (3 Cars) Insts Supply to Test Dept 1/7/12 2 Cones filled with (3 Cards) Cotton Liner G1857. 1st finished & sent to Test. 12/7/12. 2nd " " " " 21/8/12. The leather for the second cone has been returned to makers not being correct to drawing. | ||