St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 124
there is any tend-ency toward over-heating, the fuse blows; that is, itpromptly melts and opens the circuit before anj damagecan be done to the regular conducftors. Fig. 166 showsa cross-secftion of a. fuse plug that can be screwed into anordinary socket. The fuse wire is shown black. Fig. 167… … Fig. 176. or several wires or links may be used side by side. Fig.168 shows a fusible rosette. Fig. 169 shows two fusewires fixed between screw-heads, the current passingthrough them in opposite directions,both sides of the circuit being in-cluded. Fig. 170 .shows variousforms of cut-outs. 143.…
Electricity
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