UNT Libraries Government Documents Department - 4 Matching Results

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Condenser for Cotton-Gins: Patent for a condenser for cleaning cotton gins. Illustrations included.
Cotton-Picking Machine: Patent for a cotton picking machine. Illustrations included.
Harrow Attachment.: Patent for a harrow attachment "that is efficient and durable, cheap to manufacture, and can be readily placed on or removed from cultivators" (lines 19-22).
Sheep-Shears.: Patent for sheep shears that have a knife that goes in a circular motion and keeps dirt out of the inner parts of the shears.