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Scientific American, Vol. 30, No. 12 (March 1874) (1874)

leaf 4

An illustration from Scientific American, Vol. 30, No. 12 (March 1874), 1874, leaf 4
tual use, would to measure even those small forces which are, for instance, to three months' consolidation, they were lifted by a power- seem to be a valuable and useful article. Its object is, while produced by the difference in distance between any point on ful pair of shear legs, erected on an… … of plate and angle iron, with a cross girder resting on the governed, as by the relative position of the points, c and c', economize in horseshoes and time; for instead of shifting the time of vibration of the horizontal pendulum is deter- top; above this girder there were two sets of pulleys,…

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