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Scientific American, Vol. 19, No. 5 (1868) (1868)

leaf 7

An illustration from Scientific American, Vol. 19, No. 5 (1868), 1868, leaf 7
the cutter bar. The they secure the health of the residents. A slight sprink- cutting mechanism consists of two rotary knives,one driven ling of carbolic acid or of chloride of lime on the streets by beveled gears on the shaft just in front of the driver shaft, would aid in the work of… … served along a stretch of shore brings the supporting rod back over thirteen geographical degrees in length. to position as soon as the pressure of the foot is withdrawn may be removed by the doors opening on the side of the These earthquake waves appear to have moved with a ve- and the apparatus…

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