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Scientific American, Vol. 1, No. 15 (1859) (1859)

leaf 3

An illustration from Scientific American, Vol. 1, No. 15 (1859), 1859, leaf 3
n the slide, E, may be vuried in size, and the quantity experienced in such a mass of floating iron, put the mat- We notice five different cements for roofing; one of of seed delivered be thus adjusted. After the seed is ter in the hands of Mr. Grey, of Liverpool, a celebrated them of gutta-percha,… … is used with a moveable vertical magnet in the center, distance under the succeeding furrow, thus enabling the tion of, E, through the opening, m, in the seed-box into and it is no uncommon occurence for the needle of this the tubes, 0 0, which lead it down into the furrow back plow to turn wider…

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