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Space Block

Description: Patent for a block used to block spacing members upon a shaft, Illustration included.
Date: August 30, 1910
Creator: Vardell, Arthur A.
Partner: UNT Libraries Government Documents Department

Planting Attachment for Plows

Description: Patent for planting attachment for plows. Illustration included.
Date: August 30, 1904
Creator: Gordon, Duncan
Partner: UNT Libraries Government Documents Department

Metallic Brush Cylinder

Description: Patent for a metallic brush cylinder. Illustrations included.
Date: August 30, 1910
Creator: Vardell, Arthur A.
Partner: UNT Libraries Government Documents Department
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