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).
Order for two carbon plate rheostats from Cambridge Instrument Co. Ltd.
| Identifier | ExFiles\Box 167\2\ img142 | |
| Date | 25th August 1938 | |
| 0103. To EJJ. c. to RC{R. Childs}/JJ. Rm{William Robotham - Chief Engineer}/RC.{R. Childs}11/JH.25.8.38. Will you please order for us from the Cambridge Instrument Co.Ltd. 2 carbon plate rheostats to the following dimensions. 40 plates 2" x 2" x 1/4" with four connecting plates. To carry 100 amperes. O/N.816. Rm{William Robotham - Chief Engineer}/RC.{R. Childs} | ||