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Improvements in Escapements for Time-Pieces

Description: Patent for inprovements in escapements for time-pieces involving levers and duplex escapements as a way of improving force and regularity in time-pieces. Patent gives instructions and provides illustrations.
Date: October 21, 1879
Creator: Laughlin, Abner G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Spring-Hinges.

Description: Patent for a new spring hinge design which will "either open or close the door or gate after it has passed an angle of forty-five degrees" (lines 20-22) including illustrations.
Date: June 24, 1879
Creator: Barry, William G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Seed Planters.

Description: Patent for a cotton-seed planter with improvements in "the construction and arrangement of the parts" (lines 18-19) including a detailed explanation and description of the illustration.
Date: February 26, 1878
Creator: Nix, Manning L.; Stone, James M. & Anderson, Levi
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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