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Telephone System.

Description: Patent for improvements to an automatic switchboard "to provide a construction of board and a connected system of wiring which will permit a subscriber at a telephone in one town to call up the operator or central at a distant point and converse with him without operating the other instruments in his town and at the same time preventing other subscribers from breaking into the line" (lines 12-20).
Date: December 23, 1902
Creator: Wright, Wayne C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Reversible Garden-Plow.

Description: Patent for a walking-plow with simple and compact construction. The depth for plowing is adjustable to height of individual operating.
Date: December 23, 1902
Creator: Nicholas, Joseph W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Sweep.

Description: Patent for cotton sweep. This invention helps in easy spreading and setting of sweeping blades, "since it provides a novel form of brace to be interposed between the blades of the sweep and the stock" (lines 15-17).
Date: December 23, 1902
Creator: Brown, Burel J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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