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Automatic Gate.

Description: Patent for an improved automatic gate with levers, cam-blocks, camways, and cam-rods. It is centrally pivoting, uses a pulley, a cam groove, a forked bearing, chains, and chords.
Date: September 17, 1895
Creator: Everton, David Marion
Item Type: Refine your search to only Patent

Metallic Railroad-Tie.

Description: Patent for a new and improved metallic railroad tie that purports to prevent the spreading of rails or the bending of tension-rods. Includes instructions and illustrations.
Date: November 17, 1891
Creator: Saunders, Ellison
Item Type: Refine your search to only Patent
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