Unenclosed fuse links of 13, 16 and 18 S.W.G. tinned copper wire, 4Ap in. in length, have been blown by currents varied between 750 and 9, 800 amps, at 600 volts d.c. The circuit was almost free from inductance. The fuse-box was gastight andanbsp;...
|Title||:||The Colliery Guardian and Journal of the Coal and Iron Trades|