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Patents for John Hamilton
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	GB-186,101,598	Jun. 21, 1861	J. Hannan, J. Hamilton	Improvements in indicators such as are used for ascertaining the power developed by steam engines
	299,639	Jun. 03, 1884	J. Hamilton	Machine for dressing ships' sides

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