All Patents in class 417/101


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All Patents in class 417/101
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	2,786	Sep. 23, 1842	R.G. Eunson	Mode of discharging water and air from the condensers of steam-engines
	295,676	Mar. 25, 1884	G. Ross	Air-pump