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).
Letter regarding the testing of a Bone Grey Fibre sample, recommended by Rolls Royce of America, for use as rubbing blocks.
| Identifier | ExFiles\Box 69\1\ scan0338 | |
| Date | 18th June 1924 | |
| X4646 BY/HM{Capt. W. Hallam - Head Repairs}2/K.{Mr Kilner} 18.6.24. EFC. We are sending you herewith a sample of Bone Grey Fibre which has been recommended to us by Rolls Royce of America. We do not know whether you have had samples of this material previously, but we thought if suitable, same would do for the rubbing blocks on the make and break. Will you kindly have this sample tested out, and let us have your report, in due course. 2nd BY/HM.{Capt. W. Hallam - Head Repairs} | ||