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Land-Breaking Plow.

Description: Patent for an agricultural plow that mixes the soil of multiple layers while keeping the soil in its initial layer to conserve moisture and deliver nitrogen. Plow can be motorized or use animals to function.
Date: August 26, 1913
Creator: Reed, Arthur
Partner: UNT Libraries Government Documents Department

Fuel Compound.

Description: Patent for "Ricker's Crude-Oil Brick Fuel," a petroleum compound meant to replace coal.
Date: August 26, 1902
Creator: Ricker, James Henry
Partner: UNT Libraries Government Documents Department

Ballast Spreading Car

Description: Patent for improvements on the ballast spreading car, including plows placed underneath for more efficient spreading of ballast material.
Date: August 26, 1902
Creator: Scott, William R.
Partner: UNT Libraries Government Documents Department

Clothes Pin.

Description: Patent for a new and improved clothespin. This design "has for its object to provide an improved pin that can be readily adjusted to any desired position upon the line, and which can be turned at any desired angle to clamp the clothes. The pin is constructed, preferably, of resilient wire—preferably galvanized or otherwise treated to prevent rusting of the same—and may be made in various sizes. [The design] form[s] the pin with an eye or ring portion, through which the line is passed, and with … more
Date: August 26, 1890
Creator: Turner, Ephraim M.
Partner: UNT Libraries Government Documents Department
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