d to form projections one edge of the compass is arranged a permanent bar which span the rounded portion of the sliding bar. To magnet, which is held in its place by two pins. The lift the coupling pin for uncoupling, the sliding block bar magnet permits of bringing the pointers to zero, must be… … CLEVELAND ft DAWSON'S CAR COUPLING. When the switch arm, E, is on the point, C, as shown in the diagram, the current passes through the trough to form a crank which connects with an arm attached only. Arranged in this way, the galvanometer is to the sliding block, as shown in Figs. 2 and 3. When…
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