UNT Libraries Government Documents Department - 2 Matching Results
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- Cotton-Ginning Machinery.
- Patent for cotton ginning machinery, which separates cotton faster and more cleanly and continuously feeds cotton into the saws.
- Electric Railway.
- Patent for an electric railway that has the electric conductor on or under the ground, in a tube. The tube gets electricity to the trains via contact-pieces embedded in the tube, and it collapses whenever the train wheels go over it. The tube and conductor are kept safe in a u-shaped hanger underground.