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).
Telegram from Chateauroux regarding the improved performance of pumps from 95 to 112 pints per hour.
| Identifier | ExFiles\Box 82\1\ scan0165 | |
| Date | 19th October 1920 | |
| HIVES ROYCAR DERBY = CHECK DELIVERY OF PUMPS ON CAR OUR DELIVERY QP 4000 REVS WAS 95 PINTSHOUR HAVE MADE IT 112 PINTSHOUR = HANCOCK + | ||