Blue line print of survey map of Tarrant County, Texas, showing rivers, creeks, original land grants or surveys, cities, towns, and railroads. Scale [ca. 1:166,667] (5000 varas to the inch).

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."