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).
Specification for fuse wire to be used with Lucas Switchboards for a specific chassis alteration and dynamo.
| Identifier | ExFiles\Box 61\2\ scan0349 | |
| Date | 9th August 1920 | |
| X 2515 To O.O. from By/WER. c. to Sft.{Mr Swift} c. to EP.{G. Eric Platford - Chief Quality Engineer} c. to EFC. By/WER3/EF9.8.20. X.3749. RE CHASSIS ALTERATION 59/D - E.{Mr Elliott - Chief Engineer} 7457 DYNAMO X.2515. L.O.P. (SHEET 1) - SECTION 7310. Further to our letter By/WER5/EF6.8.20, in which we requested you to order a quantity of Fuse wire for use with the Lucas Switchboards. Will you kindly note that the wire should be ordered to the following specification:- 30 S.W.G. Lead TIN Alloy. A length of wire .650" in a 12 volt circuit should fuse with a current of not less than 4 3/4 amperes and not more than 5 1/4 amperes. A sample of this wire should be passed to Mr. Clark so that he may have it tested in his laboratory before using on production chassis. By/WER. | ||