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).
Instructions detailing available sizes of copper wire for experiments on fuses.
| Identifier | ExFiles\Box 61\2\ scan0395 | |
| Date | 28th September 1920 | |
| RR 300 (120B) (SF 349 24-1-19) MP 200552 X. 2575 91380 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To S.T.C. Customer's No. F.C. 14 Date 28/9/20 .19 Order No. Re X. 2515. Copper wire for fuses We now have the following sizes of copper wire for experiments on the above. Dia SWG Dia SWG .0024 41 .028 22 .0085 35 .031 21 .010 33 .035. 20. .011 31 .012 30 .014 28 .017 27 .018 26 .024 23 Signed This Sheet must be filed on completion of the work. | ||