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Scientific American, Vol. 2, No. 21 (May 1860) (1860)

leaf 15

An illustration from Scientific American, Vol. 2, No. 21 (May 1860), 1860, leaf 15
in a step which passes through the upper of July, 1846, for an improvement in the above-named parts in the manner shown, by which it is claimed the plate of the base of the machine, and is supported by an class of inventions. The testimony will close on the 2d following advantages are secured:—1.… … substantial instrument which may their business, and as often as may be deemed necessary a column be constructed at less expense than OLMSTED'S TIN PLATE "FORMER.' or two on the metal and lumber markets will be given; thus com- by the old plan. prising, in a useful, practical, scientific paper a…

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