Revolving Signal.
Description:
Patent for a new and improved revolving signal-light: "[t]he combination, with a car-axle and a shaft driven thereby, of the lateral supporting stems carrying signaling-lanterns glazed in alternating colors, a shifting-lever acting alternately upon studs or stops of the said shaft, said shaft having a sliding movement, and gearing alternately with said signal-carrying stems" (lines 82-89).
Date:
August 20, 1889
Creator:
Warren, John W. & Radford, Samuel H.
Partner:
UNT Libraries Government Documents Department