Resource Type

States

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.
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.
System: The Portal to Texas History