This section is from the book "Applied Science For Metal Workers", by William H. Dooley. Also available from Amazon: Applied Science For Metal Workers.
A fuse is a safety device intended to melt when a current exceeding a certain strength passes through a conductor. Thus the fuse protects the conductor from being overheated by excess current. The fuse, which consists of a piece of soft metal, such as an alloy of lead, is soldered to copper terminals, so shaped that they may be clamped.
Fig. 92. - A Transformer.
 
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