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).
Instruction sheet detailing fusing current test results for two different wire gauges.
| Identifier | ExFiles\Box 61\2\ scan0399 | |
| Date | 30th September 1920 | |
| RR 300 (120B) (SF 349 24-1-19) MP 200552 91210 ROLLS-ROYCE LIMITED. INSTRUCTIONS. Sept. 30th 1920 To E.F.C Order No P.A. 22 Customer's No. Re X First Table: No. of Test. | Fusing current. amps. | Remarks. 1 | 3.60 2 | 3.55 3 | 3.65 4 | 3.50 No 17 S.W.G. .056" dia Second Table: No of Test. | Fusing current. amps. | Remarks. 1 | 48.0 2 | 49.0 3 | 50.0 | Charred red fibre. 4 | 48.0 Signed Cont'd.{John DeLooze - Company Secretary} This Sheet must be filed on completion of the work. | ||