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).
Cost comparison for a U.S.A. Bosch battery ignition and a condenser.
| Identifier | ExFiles\Box 50\1\ Scan028 | |
| Date | 10th May 1921 | |
| -4- Contd. U.S.A. Bosch battery ignition $ 14.00 (X.4275). Condenser. (X.2512). Present cost of production £2.7.1. Cost of Dubilier made condenser. [Watermark: DICKINSON BOND] [Watermark: MADE AT CROXLEY] [Footer, inverted: E R 32EL (60 T) 81 S. (S.L.H.) 980. 10-5-21 C. 800S] | ||