All Patents in class 33/273


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All Patents in class 33/273
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	51,675	Dec. 26, 1865	J.R. Abbott	Improvement in Combined Level, Square, Compass, and Plumb-Staff
	312,548	Feb. 17, 1885	J.W. Atkinson	L-Shaped Level