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).
Order for a dozen Morganite brushes for a motor used for dynamo testing.
| Identifier | ExFiles\Box 35\1\ scan 080 | |
| Date | 1st July 1920 | |
| X.2656 To Wd{Mr Wood/Mr Whitehead}/Ms. from EFC. EFC5/T1.7.20. X. 2656 - MORGANITE BRUSHES. X.75 Will you kindly order up from the Morgan Crucible Company, one dozen brushes with twin pig-tails to the following dimensions :- 1" wide x .36" thick x 1 1/4" deep, these brushes to be suitable for a 110 volt 2 pole motor taking up to about 10 amperes. These are required for use on the motor we use in our shop for driving dynamos on test. EFC. | ||