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 offering to send samples of various insulating materials for testing.
| Identifier | ExFiles\Box 24\2\ Scan011 | |
| Date | 14th November 1919 | |
| Wd.{Mr Wood/Mr Whitehead} NOV 15 1919 RECEIVED X.1109 8, Wolseley Road, Crouch End, London, N. 8. 14th November, 1919. ck{Mr Clark} Messrs. The Rolls-Royce Ltd., Derby. Dear Sirs, X1109 Wd.{Mr Wood/Mr Whitehead} 17/N.J. 30719. X 2495 X 3573 Referring yours 30th July, X 2505 Insulating Materials, as my Principals, the Swiss Insulating Works, Ltd., are again making deliveries to this country, I shall have pleasure in requesting them to send you, addressed - For attention Mr. Whithead - such suitable samples for testing as you desire of their:- Amber micanite sheets for Commutators, Standard size 1100 x 600 m/m.{Mr Moon / Mr Moore} To required gauges. Brown micanite sheets for mouldings, or hard stampings, Usual size 1000 x 1000 x 0.1 m/m, and up. Micafolium in sheets, 2500 x 1300 x 0.15, 0.2 & 0.25 m/m do. do. Rolls, 1000 m/m wide. Thick 0.15, 0.2 & 0.25 m/m Bakelite Sheets, Plain or Varnished 1000 x 500 x 1-30 m/m.{Mr Moon / Mr Moore} do. Papers. To various thicknesses. do. Tubes, in all sizes. Pergamite, as required. -1- | ||