opposite direction. But for friction of the air and of BY GEO. H. HOPKINS. vertical rod, and received in a hook on the little crank The application of the pendulum to the measurement its parts, the pendulum would swing on indefinitely. shaft in the upper bar. The rubber band is twisted A torsion… … Fig. 1.-APPLICATI0N OF THE to cause it to roll in a through a hole in the middle plate, and is finally bent color change from red to scarlet, due probably to PENDULUM TO CLOCKS. into an oblong loop extending rearward. In a split circular path on the aerobic micro-organisms, also marked the…
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