All Patents in class 417/157


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All Patents in class 417/157
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	270,743	Jan. 16, 1883	W.A. Clarke	Exhaust-nozzle for steam-engines
	1,569,515	Jan. 12, 1926	A.G. Machesney	Locomotive Exhaust Nozzle Covering