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Scientific American, Vol. 21, No. 17 (1869) (1869)

leaf 7

An illustration from Scientific American, Vol. 21, No. 17 (1869), 1869, leaf 7
ther to The tapping hole is placed where the heat is greatest. from the horizontal position, thus indicating an increase of allow the gate to swing between them. : * This arrangement has been successfully worked for six weight on the side where the experiment is going on. This As soon as the hinge… … the ties, or ropes from the main cable, sus- hole from the former into the wall of the hearth. The sions ; the horseshoe magnet applied in this instance weighed, taining the roadway, are of twisted wire as well as the main opening of the tapping-hole is then easy, as it is close to the without its…

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