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).
Test results for two specimens of fuse wire for a Lucas Junction Box.
| Identifier | ExFiles\Box 61\2\ scan0413 | |
| Date | 26th October 1920 | |
| RR 300 (120B) (SF 349 24-1-19) MP 200552 X.2575 91234 ROLLS-ROYCE LIMITED. INSTRUCTIONS. Oct. 26th 1920 To E.F.C. Order No PA.{Mr Paterson}35 Customer's No. Re X.2515 X.3654 Tests of two specimens of fuse wire for Lucas Junction Box The results are as follows:- Specimen 1. Dia: .040". 19 S.W.G. No of Test | Fusing Current Amps. | Remarks 1. | 35.0 | 2. | 34.0 | 3. | 34.5 | 4. | 35.0 | Specimen 2. Dia: .035". 20 S.W.G. (Approx). No of Test | Fusing Current Amps. | Remarks 1. | 29.5 | 2. | 30.0 | 3. | 28.0 | 4. | 30.0 | Signed C.A.P. This Sheet must be filed on completion of the work. | ||