644 Matching Results

Search Results

Air-Brake.

Description: Patent for train air-brakes to provide set brakes and same auxiliary pressure on all cars regardless of the brake cylinder piston travel distance.
Date: January 13, 1914
Creator: Wolf, Gustav B.
Partner: UNT Libraries Government Documents Department

Copy Holder

Description: Patent for an improved copy holder design that is "adapted for holding stenographers' notebooks and other copies and equipped with an efficient line guide, capable of easy and rapid operation to drop the line indicating means from one line to another with perfect accuracy" (lines 14-19), including illustrations.
Date: April 28, 1914
Creator: Wrede, Albin C.
Partner: UNT Libraries Government Documents Department

Improvements in Steam Engine

Description: Patent for improvements in steam-engines. The goal of this invention to provide a simple construction that can be equally adapted for locomotives and high speed engines.
Date: August 4, 1903
Creator: Dickson, Henry L.
Partner: UNT Libraries Government Documents Department

Measuring Device

Description: Patent for a measuring device that measures fabric. Illustration included.
Date: November 3, 1908
Creator: Teykl, John F. & Wagener, Kenny
Partner: UNT Libraries Government Documents Department