UNT Libraries Government Documents Department - 4 Matching Results

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Improvement in Corn-Planters.: Patent for a corn-planter that allows the seed to be placed in a hopper and disperses the seed through a cylinder that is connected to a wheel to place and cover the seed, including illustration.
Improvement in Cultivators.: Patent for the improvement of the rotary cultivator with adjustable thinning-points and rotating cutter, including illustration.
Improvement in Cultivators.: Patent for a triangle shaped cultivator with removable mold-boards that can be used as a plow and scraper, including illustration.
Method of Repairing Circular-Saw Teeth.: Patent for enabling the teeth of circular saws to be drawn out and hammered for repair, including illustration.