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Improvement in Wood Pavements.

Description: Patent for a new and improved construction of Bois D'Arc Pavement, which uses two layers of planks that cross at right angle as a base, sand to hold bois d'arc blocks in place and fill gaps in between, and coal-tar covering planks to prevent sand from shifting. It includes illustrations.
Date: January 14, 1879
Creator: Shellenberger, Samuel Luther
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

[T&P Roundhouse in Marshall, Texas]

Description: 4 photographs of the T&P roundhouse and shops in Marshall, Texas. In the bottom left photo a man is posing next to a wagon, and there is construction debris throughout the area. Written below the images are "T&P Roundhouse and shops at Marshall, Texas very early view 1870's" and "Harrison County Historical Museum."
Date: 1870~/1879~
Item Type: Refine your search to only Photograph
Partner: The Grace Museum

[Unidentified photocopied images]

Description: Document of three unidentifiable photocopied images on a page. The images are gray and faint but have a vague structure of buildings and machines. However, it is difficult to fully decipher the images due to their indeterminate shape.
Date: [1877..1939]
Item Type: Refine your search to only Text
Partner: UNT Libraries Special Collections

Improvement in Journal Boxes.

Description: Patent for axel shaft oil lubrication system that acts as a reservoir and saves the oil lubrication materials to be used repeatedly without waste.
Date: May 13, 1873
Creator: Morris, Joseph R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Road-Scrapers.

Description: Patent for a new improvement in the construction of road-scrapers to make them more facilitating, faster, and with less animal power required.
Date: January 27, 1874
Creator: Tate, Thomas M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Spring-Hinges.

Description: Patent for a new spring hinge design which will "either open or close the door or gate after it has passed an angle of forty-five degrees" (lines 20-22) including illustrations.
Date: June 24, 1879
Creator: Barry, William G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement In Locks

Description: Patent for an improvement for slide door fasteners and locks. Description and illustrations are attached.
Date: August 19, 1879
Creator: Garlock, William H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Brick-Machines.

Description: Patent for an improvement brick machines that includes "an endless chain of molds at the bottom of the press box [...] in combination with a pressing plate and a cut-off plate" (lines 18-22).
Date: November 2, 1875
Creator: Fisher, Charles N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Brick-Presses.

Description: Patent for a "new and useful improvement in brick-presses by which bricks may be quickly and cheaply pressed by hand power from clay taken direct from bank or mixer" ( Lines 1-3 )including instructions and illustration.
Date: May 14, 1878
Creator: Moore, Andrew A.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in cellular-wall building-blocks.

Description: Patent for a building block that has an offset in the middle that allows one side of the block to make the outer wall while the other side makes an inner wall while leaving space between the two walls. Includes illustrations.
Date: August 15, 1876
Creator: Clayton, Nicholas J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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