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).
The correct fuse wire size for a new distribution board.
| Identifier | ExFiles\Box 61\2\ scan0419 | |
| Date | 13th November 1920 | |
| x2515 To Hs.{Lord Ernest Hives - Chair} from EFC. c. RHC.{R. H. Coverley - Production Engineer} c. Da.{Bernard Day - Chassis Design} c. Da{Bernard Day - Chassis Design}/Thr. c. By.{R.W. Bailey - Chief Engineer} c. By/WER. EFC1/T13.11.20. X.4173. - NEW R.R. DISTRIBUTION BOARD FOR DOUBLE WIRING. - FUSES. X.2515. Will you kindly note that the correct size of fuse wire to use in the fuse holders of the new R.R. Distribution board is No.30 S.W.G. (.0124" dia). bare copper wire. This fuses at about 29 amperes in position. EFC. | ||