[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 300
bent down as shown and has«its end beveled anda small mark on it. This end runs close to thescale which will be put in the wooden strip and 298 ELECTRICITY AND ITS the mark is to read from. To prevent side motionone side of the slider is cut and bent inwards justfar enough to press firmly upon the… … Figure 2. nowever, and a small notch is made in this edgeto receive the wire when it is pressed down on it.In its normal position the contact should clear thewire by about a x\ of an inch. It is guided ofcourse by the hole through which it passes in thetop of the slider. Make a wooden base for the…
Electricity
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