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Powder- Sprayer

Description: Patent for Insect Powder Sprayer. This sprayer allows the use of insecticide powder for use on animals, plants, and insects.
Date: November 30, 1920
Creator: Erwin, Samuel D.
Partner: UNT Libraries Government Documents Department

Attachment for Broadcast Headers.

Description: Patent for harvesting machines that provisions for adjustable attachments and elevator mechanisms used to head maize or similar grain crops.
Date: July 28, 1920
Creator: Price, Filmore M.
Partner: UNT Libraries Government Documents Department
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