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).
Faulty switchbox returned due to a burnt out contact.
| Identifier | ExFiles\Box 70\3\ scan0382 | |
| Date | 9th August 1927 | |
| X8783 ab 9.8.27. EFC from BY/RD. We have had another faulty switchbox returned - burnt out contact. BY/RD. | ||