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Improvement in Seeding-Machines.

Description: Patent for the improvement of seed-planters using a rotary system to distribute seeds from a drum and into the soil, including illustration.
Date: September 4, 1860
Creator: Park, A. R.
Partner: UNT Libraries Government Documents Department

Means for Reducing Wear in the Working Barrels of Pumps

Description: Patent for a means of reducing wear in the working barrels of pumps. The pumps made in this wat are specially adapted for operations in water or oil wells where the fluid being pumped is is mixed with sand and sediment.
Date: March 4, 1919
Creator: Carmichael, Robert E.
Partner: UNT Libraries Government Documents Department

Rail Connection

Description: Patent for a rail connection. This invention consists of heavy fish-plates and screw bolts that are supported between adjacent cross ties
Date: January 4, 1910
Creator: Grass, Henry
Partner: UNT Libraries Government Documents Department

Rotary Boring Drill

Description: Patent for a rotary boring drill to be used in mining and drilling.
Date: March 4, 1919
Creator: Carmichael, R. E.
Partner: UNT Libraries Government Documents Department

Coffee-Pot

Description: Patent for a simplified coffee pot that extracts coffee by using boiling water and the receptacle without changing the structure of the device.
Date: July 4, 1905
Creator: Haley, William L.
Partner: UNT Libraries Government Documents Department
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