UNT Libraries Government Documents Department - 3 Matching Results

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Fastening Device for Fence-Wires.

Patent for improved fence posts that holds wires on metallic posts.

Date: September 7, 1920

Creator: Minnich, Otto J.

Item Type: Patent

Smithsons Valley Quadrangle

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:62500

Date: 1920

Creator: United States. Army. Corps of Engineers.

Item Type: Map

Location: 29.88 -98.38

Water-Heater

Patent for a water heater that will heat a large quantity of water in a short amount of time. Cool water is delivered to the bottom of the tank, displacing hot water at the top so the tank is always filled with hot water.

Date: September 14, 1920

Creator: Faust, Louis F.