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Insect-Exterminator.
Patent for a red ant exterminator that works by "withdrawing the air from an ant-nest and substituting therefor a fluid or gas which may be ignited and thereby destroy the lives of the insects." (Lines 18-22) Includes instructions and illustrations.
Date:
June 15, 1897
Creator:
Schindler, Joseph
System:
The Portal to Texas History
Measuring Device
Patent for a measuring device specifically created for drawing circles with chalk, with the ability to increase and decrease the size of the circles being drawn without interference including illustrations and instructions.
Date:
June 15, 1915
Creator:
Giese, Willy
System:
The Portal to Texas History