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 from The Morgan Crucible Company Limited regarding the specifications for commutator starter motor brushes.
| Identifier | ExFiles\Box 35\1\ scan 001 | |
| Date | 15th March 1919 | |
| R.R. 258A (100 T) (S.H. 150, 11-8-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 5800 X.2656. THE MORGAN CRUCIBLE COMPANY LIMITED, BATTERSEA WORKS, CHURCH ROAD, LONDON, S.W.11. 15th March 1919. Messrs. Rolls-Royce Ltd., Nightingale Road, Derby. Dear Sirs, X.3348 - RE COMMUTATOR BRUSHES FOR STARTER MOTOR. X.2656. We beg to thank you for your letter of the 15th inst, ref. EY/RB{R. Bowen}7/P15319, addressed for the attention of Mr.Sparkes, and enclosing sample of copper-morganite brush shewing the type required in execution of your recent order. The information furnished by the sample now makes your order perfectly clear to us, and we will give the matter immediate attention. We note your blue print specifies that the flexible leads shall be insulated with fibre beads, but against your previous order we supplied brushes with cotton braid insulation, as illustrated by the sample sent us and which we return herewith. We presume you find this method of insulating the flexible perfectly satisfactory and would like your assurance that we shall be in order in fitting the brushes now in hand in a similar manner. It may be of interest to you to know that all the leading manufacturers of machines of | ||