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Window-Fastener.

Description: Patent for a spring lever for fastening sliding windows, including illustration.
Date: August 31, 1858
Creator: Root, Irving
Partner: UNT Libraries Government Documents Department

Mode of Straining Saws by Atmospheric Pressure.

Description: Patent for the improvement of the reciprocating saw by simplifying the arrangement of cylinders, pipes, and exhaust pumps to produce the necessary vacuum, including illustration.
Date: August 14, 1855
Creator: Brown, A. & Coffin, Abel, Jr.
Partner: UNT Libraries Government Documents Department

Improvement in Seeding-Machines.

Description: Patent for the improvement of the seed-box so the seeds are properly distributed into the soil while preventing the seed from clogging the machine, including illustration.
Date: August 24, 1858
Creator: Keiper, D. B. & Fox, A. C.
Partner: UNT Libraries Government Documents Department

Improvement in Seed-Planters.

Description: Patent for a seed-planter using two vibratory vertical feed-wheels, similar in size to distribute different seeds at the same time, one is designed specifically for cotton seeds, illustration is included.
Date: August 16, 1859
Creator: Murphy, Willis G.
Partner: UNT Libraries Government Documents Department

Rotary Steam-Engine.

Description: Patent for the improvement of the rotary engine through the arrangement of passages and system of pistons for a more simple construction with little friction, including illustration.
Date: August 16, 1859
Creator: Montjoy, George J. & Sawyer, J. B.
Partner: UNT Libraries Government Documents Department

Spring Bed-Bottom.

Description: Patent for the improvement of bedsteads using a spring bottom-construction with zig-zag wire, including illustration.
Date: August 8, 1854
Creator: Meriwether, William Hunter
Partner: UNT Libraries Government Documents Department
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