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Powder-Duster.
Patent for a insecticide powder duster that ejects the powder onto plants.
Date:
April 25, 1911
Creator:
McKnight, Walter H.
System:
The Portal to Texas History
Cotton-Harvester
Patent for a cotton harvester. Illustrations included.
Date:
October 25, 1910
Creator:
Sewell, Charles B.
System:
The Portal to Texas History