Hamilton Sheet

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 1:125000
Date: 1918
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Brownwood Sheet

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 1:125000
Date: 1918
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History
Boll-Weevil Exterminator (open access)

Boll-Weevil Exterminator

Patent for removing dead bolls, insects and other parasites from growing plants.
Date: February 26, 1918
Creator: Harper, William E.
Object Type: Patent
System: The Portal to Texas History
Dirigible Headlight. (open access)

Dirigible Headlight.

Patent for improvements in dirigible headlights. This headlight is used for automobiles and self-propelled vehicles where the usual headlights are directed to throw their beams of light in the direction of travel upon actuating the steering mechanism.
Date: September 24, 1918
Creator: Harris, Robert L. & Geeslin, Eli M.
Object Type: Patent
System: The Portal to Texas History