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Sulky Carriage for Plows.
Patent for a new and improved sulky plow. This design "furnish[es] a sulky-frame and plow supporting and adjusting devices of a simplified construction, and [provides] more effective means for gaging the depth of the penetration of the plow into the ground, and guiding or steadying the movement thereof" (lines 17-23).
Date:
September 20, 1881
Creator:
Ward, James & Washburn, Rufus
System:
The Portal to Texas History
Air-Compressor.
Patent for "new and useful improvements for air-compressors" (lines 5-6), with instructions and illustrations.
Date:
July 20, 1886
Creator:
Harrold, Mahlon
System:
The Portal to Texas History