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 German Silver Resistance Wire for a Magneto Speedometer.
| Identifier | ExFiles\Box 34\2\ Scan047 | |
| Date | 19th March 1919 | |
| R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/155/13. X.2238 19th March 1919. To C.C. from BY/HBO. C. to Mr. Hives. C. to Mr. Coverley. BY/HBO1/DW.19319. ---------------- X.2238.- MAGNETO SPEEDOMETER. ---------------- Kindly order the following wire from The London Electric Wire Co. & Smiths Ltd., 1/4lb. of German Silver Resistance Wire No. 34 S.W.G. Double Silk Cover. I find that the Concordia Co. have not the wire we require that is why I state the above Firm. The above wire I find will be more suitable than the No. 34 Concordia, the magnet should give 100% more power. You can wind with any suitable wire for the time being, finally winding with the above. BY/HBO. A1038 | ||