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Scientific American, Vol. 20, No. 10 (1869) (1869)

leaf 7

An illustration from Scientific American, Vol. 20, No. 10 (1869), 1869, leaf 7
ne into the truth of the through the Scientific American charges made by the Commis- Patent Agency, December 29, sioner of Patents in relation to Point, Queens county, N. Y. themselves by referring to the peculiar order of the Sec- ering a method whereby it might be accomplished. —8 <=> Improvement… … fendants answered and maintained that the lower groups; the whole of the invertebre patent under which they claimed was genuine, are well represented. They also found that and the article they sold was an invention entirely distinct the temperature is not dependent on depth; cven in places good…

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