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).
Re-testing three Elo coil cases after they have been heated in an oven.
| Identifier | ExFiles\Box 45\4\ Scan308 | |
| Date | 29th October 1926 | |
| X4079 EFC. 29.10.26. X1573 These three Elo coil cases have been in our oven for about 5 weeks at various temperatures up to 95ºC. Perhaps you would like to test them again. E.J.Brock | ||