Kemp 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.
Object Type: Map
System: The Portal to Texas History
Aeroplane. (open access)

Aeroplane.

Patent for aeroplane construction to include improvements to air motor protection to minimize resistance and the use of air cups to direct the full force of air to the motor shaft, including illustrations.
Date: November 15, 1921
Creator: Smith, Joseph A.
Object Type: Patent
System: The Portal to Texas History
Broom. (open access)

Broom.

Patent for a broom that has replaceable straw sections.
Date: June 7, 1921
Creator: Blasingame, Frank P.
Object Type: Patent
System: The Portal to Texas History
Ointment. (open access)

Ointment.

Patent for a general external application ointment made of chloride of zinc, powdered metallic cobalt, blood root, and glycerine.
Date: April 4, 1922
Creator: Mullins, Ervin L. & Collier, William R.
Object Type: Patent
System: The Portal to Texas History
Poultry-Crate. (open access)

Poultry-Crate.

Patent for an improved version of the Poultry-Crate, including illustrations. This version was designed with efficiency in mind, devised to be an inexpensive and highly portable invention.
Date: August 30, 1921
Creator: Tucker, William
Object Type: Patent
System: The Portal to Texas History