UNT Libraries Government Documents Department - 7 Matching Results

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Improvement in Apparatus for Applying Poison to Plants.
Patent for "new and useful improvement in apparatus for applying poison and cotton to potato plants" (lines 3-5), as well as to "destroy worms and bugs"(lines 13-14), including instructions and illustrations.
Improvement in Brick-Machines.
Patent for an improvement brick machines that includes "an endless chain of molds at the bottom of the press box [...] in combination with a pressing plate and a cut-off plate" (lines 18-22).
Improvement in Brooms.
Patent for improvement in the manufacture of corn brooms.
Improvement in Feed Mechanisms for Running Saw-Mills.
Patent for improvement to feed mechanisms in running saw-mills, including illustrations.
Improvement in Grinding-Mills.
Patent for an improvement in grinding mills which purports to save time.
Improvement in Sawing-Machines.
Patent for a new and valuable sawing-machine is combined and, "consists in the construction and novel arrangement of the vibrating beam, vertically-sliding block, and flanged support," (pg. 3) e.g...including instructions and illustrations.
Improvement in Tool-Holders for Grinding
New and valuable Improvement in Tool-Holders, which are designed for holding tools in contact with the periphery of a grindstone.
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