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Scientific American, Vol. 24, No. 14 (April 1871) (1871)

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An illustration from Scientific American, Vol. 24, No. 14 (April 1871), 1871, leaf 0
we dAfi&ed $a)» The number of patents granted, during the year, on potato herewith presented will show, however, that the older shops in the East are no longer free from Western competition, and diggers show% that the zeal of inventors with reference td three classes; first, those with the single… … STEAM ENGINE. COOPER & CO.'S STATIONARY field to younger, though fully as enterprising, establish- good reliable governor attached to steam chest; strong, plain, really effective machine for digging potatoes has ever been ments. brought before the public; that there have been very many solid…

Patents · Iron · Plumb · Apparatus · Machine · Antedated march · Improved · Steam boilers · Special attention · Plumb rule · Patent office · Flat bar · Turbine water · Practical instruction · Scientific American · Sewing machine

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