All Patents in class 122/159


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All Patents in class 122/159
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	6,868X	Dec. 21, 1831	I. Jennings	Steam engine boiler
	8,473X	Oct. 25, 1834	J. Goulding	Steam engine, making dry
	43,301	Jun. 28, 1864	L.B. Flanders	Improvement in steam-boilers