UNT Libraries Government Documents Department - 7 Matching Results

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Headlight.

Description: Patent for "an electric head-light which will adjust the carbons of the arc lamp without the usual vibration" (lines 12-14) and be more durable and efficient.
Date: October 31, 1911
Creator: Dooley, Robert M.
Item Type: Refine your search to only Patent

Syrup-Pan

Description: Patent for a syrup pan for boiling down sap into syrup that keeps the solid matter in the pan and only lets the liquid syrup flow out.
Date: August 6, 1912
Creator: Baker, George W.
Item Type: Refine your search to only Patent
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