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).
Continuation discussing an electrical apparatus for converting current and ordering information from Westinghouse Co.
| Identifier | ExFiles\Box 32\5\ Scan036 | |
| Date | 6th May 1930 | |
| EFC2/AD6.5.30 contd. -2- alternating to uni-directional current are permanent in their characteristics and subject to no deterioration provided certain limits of forward current density and back pressure are not exceeded. When ordering this apparatus will you please state definitely that this is required for wall mounting as I have been enquiring from the Westinghouse Co. regarding the possibility of making this up in portable form. A blue print of the apparatus is attached for your convenience. EFC. Blue Print attached. | ||