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Automatic Wrench

Description: Patent for an automatic wrench. The wrench possesses a locking movable jaw. Illustrations included.
Date: January 7, 1913
Creator: Clay, Samuel
Partner: UNT Libraries Government Documents Department

Clevis.

Description: Patent for a new and improved clevis. This design "is to provide a clevis with a series of attaching-loops whereby the line of draft may be changed as circumstances may require, to bring the line of draft to either side of the plow-beam, or above or below the same, and to provide a clevis with a centrally-located attaching-loop, to be used where a direct or central draft is needed" (lines 11-18).
Date: January 26, 1886
Creator: Dunn, Henry Frankling
Partner: UNT Libraries Government Documents Department

Improved Bridge.

Description: Patent for an invention that "is to provide certain improvements in the construction of bridges, whereby the parts thereof, of wood, may be readily removed for the substitution of others, when decayed or broken, without interfering with the use of the bridge or weakening it (lines 10-15)". The patent includes instructions and illustrations.
Date: January 11, 1870
Creator: McDowell, H. S.
Partner: UNT Libraries Government Documents Department

Improvement in Portable Fences.

Description: Patent for new and useful improvements in fences made in sections or panels. It consists in the construction and arrangement of the brackets or supports for the panels.
Date: January 12, 1875
Creator: Johnson, Jehu W.
Partner: UNT Libraries Government Documents Department

[Letter from John J. Herrera to George J. Garza - 1951-01-22]

Description: Signed carbon copy of letter from John J. Herrera, LULAC First National Vice-President, to George J. Garza, LULAC National President, dated January 22, 1951. The letter provides notification of a new LULAC Council organized in Eagle Lake, Texas on January 21, 1951. Herrera lists provisional officers and members. Herrera next visited Palacios, Texas, and presented the charter to the new Palacios LULAC Council. Herrera also confirms delivery of charter to the Wharton Ladies LULAC Council.
Date: January 22, 1951
Creator: Herrera, John J.
Partner: Houston Metropolitan Research Center at Houston Public Library

[Letter from John J. Herrera to Police Chief Roy Chisum - 1973-01-15]

Description: Onionskin paper carbon copy of letter from John H. Herrera to Chief of Police Roy Chisum on behalf of John Edward Guzman's family, complaining about and requesting a cessation to bringing their son, John Edward Guzman, in for questioning without basis.
Date: January 15, 1973
Creator: Herrera, John J.
Partner: Houston Metropolitan Research Center at Houston Public Library

[Letter from John J. Herrera to Police Chief Roy Chisum - 1973-01-15]

Description: Onionskin paper carbon copy of letter from John H. Herrera to Chief of Police Roy Chisum on behalf of John Edward Guzman's family, complaining about and requesting a cessation to bringing their son, John Edward Guzman, in for questioning without basis.
Date: January 15, 1973
Creator: Herrera, John J.
Partner: Houston Metropolitan Research Center at Houston Public Library