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Scientific American, Vol. 55, No. 1 (July 1886) (1886)

leaf 5

An illustration from Scientific American, Vol. 55, No. 1 (July 1886), 1886, leaf 5
k great hardship and injustice to pressing and vulcanizing. The proper vulcanization is meritorious inventors, in the following particulars, to 7 of the greatest importance in determining the dura- wit : bility of the stamp. First.—In that, by not excepting from the operation All that remains to… … Circuit and District Courts of the U. S., in suits for in- plane ; but this is never actually the case. There is DOUBLE POLARIZATION WITH SINGLE GLASS PLATE. fringement of patents involving lessthan $200, without always some deviation from the plane, as may be shown designating any tribunal for the…

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