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Car-Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "relates to car-couplings; and it has for its object to provide a device of this character which shall be so constructed as to couple the cars automatically as they are brought together, and one which will securely hold the cars coupled, and yet allow a free movement of the same in turning curves" (lines 9-15).
Date: December 16, 1884
Creator: Jourde, Alfred John
Partner: UNT Libraries Government Documents Department

Boiler Attachment

Description: Patent for improvements in boiler attachments, to produce a thermostatic device of simple and improved construction which may be utilized for the purpose of actuating a valve governing the steam supply to the pump or the injector.
Date: June 28, 1913
Creator: Priester, Joel Ellis
Partner: UNT Libraries Government Documents Department

Alarm Device.

Description: Patent for an alarm device "to be used in connection with a boiler and operatively connected with the steam whistle, whereby when the water falls below a certain level in the boiler the mechanism will automatically operate to blow the whistle" (lines 11-16). Includes instructions and illustrations.
Date: September 15, 1914
Creator: Priester, Joel E.
Partner: UNT Libraries Government Documents Department

[Property tax receipt for Nicholas Negreta from Harrisburg Independent School District]

Description: Postcard sent to Nicholas Negreta for a property tax receipt No. 4858 from Harrisburg Independent School District, Harrisburg, Texas dated 1925 for $4.30 for lot 11, Block 2, Division MPS, Value $500. Sent to Nicholas Negreta at his address, 1014 Woodbury.
Date: unknown
Creator: Harrisburg Independent School District
Partner: Hoston History Research Center at Houston Public Library
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