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Scientific American, Vol. 57, No. 24 (1887) (1887)

leaf 4

An illustration from Scientific American, Vol. 57, No. 24 (1887), 1887, leaf 4
rried forward by further section through the lens. It consists of a glass square with slots dividing its lower end into parts or tongues, bearing on the lever, and thus held ready for nailing. at one end and semicircular at the other, and _ pro- which, when the post is driven into the ground, vided… … lated exercise will improve the nutrition of the car- diac muscle, as of the rest of the muscular system, and post. The ground plate has a raised central portion, uring notes and parts of a note, or ascertaining the hence tend to the promotion of circulatory vigor.— with prongs on the bottom to…

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