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Patents for George H. Southwick
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	108,310	Oct. 11, 1870	J. Wheelock	Improvement in Boring Apparatus
	129,876	Jul. 23, 1872	J. Wheelock	Improvement in Milling Machines
	144,583	Nov. 11, 1873	J. Wheelock	Improvement in Tool-Holders and Cutter-Heads for Boring-Bars

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