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Spark-Plug

Description: Patent for new improvements in Spark-Plugs which decreases the possibility of imperfect sparking and provides a visible indication if the spark plug is not working properly.
Date: July 28, 1914
Creator: Cole, Emory W.
Partner: UNT Libraries Government Documents Department

Conveyor-Bucket.

Description: Patent for a conveyor bucket, which reduces waste of material.
Date: July 28, 1908
Creator: Barnett, George W.
Partner: UNT Libraries Government Documents Department

Beet Puller and Topper.

Description: Patent for a new machine to pull beets from the ground as moving chains cut off the leaves and deposit the beets into a bend.
Date: April 28, 1914
Creator: Olson, David
Partner: UNT Libraries Government Documents Department
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