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in creator/contributor: "McCarthy, [John]"  
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[Letter from John Mcarthy to Charles B. Moore, April 30, 1880]

Description: A personal letter from John McCarthy to his old friend Charles B. Moore. It congratulates Charles on the birth of his new daughter, and also notes an impending visit. A postal stamp on the front of the envelope reads: "Georgetown, TEX; 4 May" and one on the back reads "McKinney TEX.; May 4." The envelope is addressed to Charles B. Moore in McKinney Texas, and bears a handwritten note reading: "Dr. John McCarty; Received May; 1880."
Date: April 30, 1880
Creator: McCarthy, [John]
Item Type: Refine your search to only Letter
Partner: UNT Libraries Special Collections

Telegraph Apparatus.

Description: Patent for a telegraph apparatus for which a "permanent record may be made" (lines 25-26) with a typewriter. The telegraph apparatus also allows for "positive and minus impulses" (line 40) to be sent over the telegraph line. Illustrations included. Best Available Copy -- some fading of the text on first, third, and fifth pages; third page illegible in some places.
Date: July 29, 1913
Creator: Edwards, Claude M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Telegraph-Transmitter.

Description: Patent for an improvement to telegraph transmitters of the pendulum type in which signals are transmitted through use of a series of dots and dashes.
Date: June 2, 1914
Creator: Moore, Leo I.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

End Gate Fastener

Description: Patent for improvements to end gate fasteners to improve removal, and provide a simple, well constructed end gate fastener, including illustrations.
Date: June 5, 1913
Creator: Nichols, George Thomas
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Currycomb and Brush

Description: Patent for a currycomb and brush. This currycomb and brush is a combination in which the user can switch between comb and brush functions, also allowing for easy cleaning.
Date: February 15, 1916
Creator: Vyvial, Frank
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Train-Stopping Apparatus.

Description: Patent for "to provide a track instrument for automatic train stopping apparatus which will be useful in conjunction with block signaling system." (lines 16-19) including illustrations.
Date: July 13, 1915
Creator: Labit, Girard E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump-Filter.

Description: Patent for a pump filter, designed for double acting air pumps, that prevents the passage of foreign matter (oil, dust, dirt) from the pump outlet.
Date: November 25, 1913
Creator: Miles, Ross E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Toy Cannon

Description: Patent for an improvement to toy cannons to enable marbles and other spherical objects can be fed into cannon and fired providing a varied range of distance.
Date: March 14, 1916
Creator: Osborn, Carl B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Time-Switch.

Description: Patent for a time switch "which will be automatically operated to close the circuit and to open the circuit at predetermined times so that the translating devices in the circuit may be maintained energized for a predetermined length of time," (lines 10-15) including illustrations.
Date: January 15, 1918
Creator: Scholl, Max
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Railway-Switch.

Description: Patent for an improvement to railway switches, by creating an automatic switch that changes the direction of a track from object while object is moving on track.
Date: January 13, 1914
Creator: James, Samuel
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Latch

Description: Patent for a "latch of strong and durable construction, designed principally for use in connection with the end gate fastener."
Date: June 9, 1914
Creator: Nichols, George Thomas
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Steam-Boiler Indicator.

Description: Patent for an improvement in steam boiler indicators to alert when the water has dropped below a specified threshold, including instructions and illustrations.
Date: April 28, 1914
Creator: Marrs, Vollie B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Protractor.

Description: Patent for "improvements in drafting instruments and has particular application to a protractor or plotter." (lines 8-10)
Date: December 23, 1913
Creator: Ward, Walter P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Brake.

Description: Patent for automatic wagon brake which removes the strain on draft animals when the vehicle is descending down an incline.
Date: March 3, 1914
Creator: Matthews, Dudley A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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