Patents for Alexander McDonald


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Patents for Alexander McDonald
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	NS-97	Jan. 22, 1863	A. McDonald	Amalgamator
	59,498	Nov. 06, 1866	J. Woodville	Carpenter's Plane
	168,166	Sep. 28, 1875	A. McDonald	Improvement in Pipe-Tongs
	925,127	Jun. 15, 1909	A. McDonald	Rotary Engine