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Cultivation of Soil.
Patent for improvements in soil cultivation, relating "to conserving and preserving moisture in the soil for growing vegetation" (lines 8-10), including illustrations and instructions.
Date:
June 10, 1919
Creator:
Lyon, Leonidas N.
System:
The Portal to Texas History
Improvement in Insect-Exterminators.
Patent for an improved insect exterminator design with modifications especially suitable for cotton fields, includes illustrations.
Date:
June 10, 1879
Creator:
Walker, John Z.
System:
The Portal to Texas History