Hood, Grant · Kansas City, Mo. : Kansas City Jeweler and Optician · leaf 180
ed together with silver solder, thebra&s being on the inside in each case. At a normal tem-perature the pieces are parallel, but apply heat to them bythe aid of an alcohol lamp, as shown in Pig. 6, the endsimmediately begin to separate. The brass expands more thanthe steel, tries to pull the… … Fig. 7. these same pieces in extreme cold, then the ends would cometogether, as the brass would contract more than the steel.This illustrates very plainly the action of the compensatingbalance, only we have a round rim instead of the straightpiece just shown. In order to show the actual effect of…
Clocks and watches
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![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer02inte-398-220.webp)
