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Gate. (open access)

Gate.

Patent for an automatic gate at railroad crossings, adaptable for use in "farm gates and automatic gates for carriage roads" (page 1, lines 11-12) using "an inclined cam disk, of a spring actuated lever" (page 4, lines 27-28), trip devices, and a bell or other signal, with illustrations.
Date: January 24, 1893
Creator: Neeb, William
System: The Portal to Texas History