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Ventilating Apparatus

Description: Patent for a ventilation apparatus that prevents the accumulation of dust in the interior of passenger coaches on railway-trains, while also cooling the coach.
Date: March 14, 1901
Creator: Reynolds, William H. B.
Partner: UNT Libraries Government Documents Department

Combination Tool

Description: Patent for a combination tool. This invention combines tools for a variety uses and box to hold small items. Illustration included.
Date: July 14, 1903
Creator: Brunl, Louis
Partner: UNT Libraries Government Documents Department

Feed Water Heater.

Description: Patent for a new and improved water-heater. This design consists in "the combination of the supply-pipe, the supply-tank into which said pipe discharges, the said tank having a perforated bottom through which the water percolates, the vertically-divided cylinder forming the annular heating-chamber, the scatter-plates alternatingly located in diverse directions in said chamber, the said plates arranged to spray the water while heating as it falls from plate to plate, and the exhaust-steam pipe that discharges through an open port near the base of said annular heating-chamber" (lines 19-31).
Date: January 14, 1890
Creator: Knox, George F.
Partner: UNT Libraries Government Documents Department


Description: Patent for a gate that swings outward whenever it is unlatched that consists of an eye-joint that connects the gate to the post that turns vertically and horizontally, an extended toprail, a lever, and a pivot.
Date: February 14, 1893
Creator: Chadwick, John L.
Partner: UNT Libraries Government Documents Department

Harrow-Disk Sharpener.

Description: Patent for a device that puts disk harrows back into working condition after becoming worn. The invention consists of a socket, frames, a rod with an end-bearing, a handle, and a sharpener.
Date: November 14, 1893
Creator: Ingle, Jacob Oden, Jr.; Stedman, Thomas R. & Lawson, Robert J.
Partner: UNT Libraries Government Documents Department