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[William Schmalzried Using a Hand Pump]

Description: Photograph of William Schmalzried using a hand pump that is connected to a train car. Several buildings are visible in the background. Handwritten text under the photo says, "Fort Worth, Texas Jan, 1889 - Hand pumps were once used to provide air pressure for testing brakes in yards and car shops. This device was an important piece of equipment in railroad terminals for many years. The photo shows Mr. William Schmalzried, former Supt. of the Car Dept."
Date: January 1889
Partner: The Grace Museum

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
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