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Hopkins County

Description: Map of Hopkins County, including the Prairies and Lakes region. Mercer's Colony line is marked on the map. Scale ca. 1:133,334 (4000 varas per inch).
Date: 1872
Creator: Pressler, Charles W. & Lungkwitz, Herman
Partner: Texas General Land Office

Gate for Railway Tracks.

Description: Patent for a new and improved gate. This design consists in "[t]he combination, with a shaft crossing a railway-track and provided with weighted depending ends, with rollers connected eccentrically to said ends, a gate connected to said shaft, and lever and bar apparatus for operating said weighted ends from the vicinity of the rails" (lines 41-47).
Date: December 25, 1888
Creator: Jacobs, William Ramsey & Houston, Samuel Callahan
Partner: UNT Libraries Government Documents Department

Railroad Gate.

Description: Patent for a new and improved railroad gate. This design "has relation to railroad-gates of the class that is designed to be erected at the lines of fences for the purpose of preventing cattle and stock from passing from one field to another, and further designed to be opened by the wheels of a passing train, and automatically closed after the train has passed; and the invention consists in the construction and novel combination of parts" (lines 20-28).
Date: June 1, 1886
Creator: Jacobs, William Ramsey & Houston, Samuel Callahan
Partner: UNT Libraries Government Documents Department
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