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Improvement in Seed-Planters. (open access)

Improvement in Seed-Planters.

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.
System: The Portal to Texas History
Rotary Steam-Engine. (open access)

Rotary Steam-Engine.

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.
System: The Portal to Texas History
Spring Bed-Bottom. (open access)

Spring Bed-Bottom.

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
System: The Portal to Texas History
Improvement in Propelling Vessels. (open access)

Improvement in Propelling Vessels.

Patent for a hydraulic propeller that uses a current of water and steam power, including illustrations.
Date: August 26, 1846
Creator: Fulton, George W.
System: The Portal to Texas History