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Scientific American, Vol. 30, No. 24 (1874) (1874)

leaf 4

An illustration from Scientific American, Vol. 30, No. 24 (1874), 1874, leaf 4
cheap and durable, sticking out at each side. It will be seen, however, from and may be easily applied to any car. Further information Fig. 4, that the lower disk has a thick edge, against which ro- may be obtained by addressing the inventor as above. tates the sharp cutting disk, 7; this shears… … for it is self-evident, that the curves thus described will grow callight. It seems that he has satisfied himself of the fact dered chalk to prevent the coils from adhering to each other flatter and flatter the nearer the center of the circle of B is that the said light is ‘derived from the sun”…

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