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).
The ongoing testing of tungsten contacts.
| Identifier | ExFiles\Box 35\6\ scan 052 | |
| Date | 15th June 1921 | |
| X.2894 To Wd.{Mr Wood/Mr Whitehead} from EFC. EFC7/T15.6.21. X. 2894 - TUNGSTEN CONTACTS. Answering your Wd{Mr Wood/Mr Whitehead}1/NJ15.6.21, although tests of these points are in progress we are not yet in a position to give any opinion. Tests of this nature take considerable time, and we prefer to pronounce them satisfactory on the bench test before passing them for test on the car. We should suggest that you inform Messrs. Melin that we prefer, say a couple of months to elapse, before further enquiry is made. EFC. | ||