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Patents for D. B. Bartholomew
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	18,948	Dec. 29, 1857	D.B. Bartholomew	Gearing for feed-rollers in resawing-machines
	30,864	Dec. 11, 1860	D.B. Bartholomew	Arrangement of devices in sawing-machines

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