The inferior wearing qualities of bone grey fibre following a 10,000-mile test on a chassis in France.
| Identifier | ExFiles\Box 69\1\ scan0405 | |
| Date | 25th September 1926 | |
| To BY. {R.W. Bailey - Chief Engineer} from EFC. {E. Fowler Clarke - Electrical Engineer} c. Wd. {Mr Wood / Mr Whitehead} X 4646 EFC {E. Fowler Clarke - Electrical Engineer} 1/T25.9.26. X.4646 - BONE GREY FIBRE Referring back to our EFC {E. Fowler Clarke - Electrical Engineer} 1/T2.11.25, and particularly with reference to bone grey fibre, the 10,000 mile test of the bone grey fibre made from the sample received from Messrs. Spauldings (and referred to in that report), has shewn itself to be considerably inferior in wearing qualities on the actual job on the 10,000 mile test on a chassis in France. We consider it should not be used if the better material which we were using before the Spaulding fibre was available, is still itself available. EFC. {E. Fowler Clarke - Electrical Engineer} | ||
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).