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All Patents in class 92/121
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	103,212	May 17, 1870	H.E. Long	Rotary Steam Engine
	208,149	Sep. 17, 1878	B. Brazelle	Improvement in governors for steam-engines
	330,494	Nov. 17, 1885	J.E. Kimble	Steam Engine

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