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).
Instructions regarding the adoption of a two-rate charge switching system for 20/25 cars.
| Identifier | ExFiles\Box 62\3\ scan0223 | |
| Date | 8th December 1924 | |
| RR 238 (150 BKS.) (DB{Donald Bastow - Suspensions} 461-8-12-24) MP 306975 ROLLS-ROYCE, LTD. INSTRUCTIONS. To____________________________________________________19__ Order No. 3 Customer's No.__________________ with half-charge switching. This curve lies wholly outside curve I and one of these machines ran 10000 miles on 18 GII satisfactorily. It is therefore suitable for standardisation at any time required as we understand it is proposed to adopt the two rate charge switching on 20/25 cars. Signed FJA This Sheet must be filed on completion of the work. | ||