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Guano Distributor

Description: Patent for the distribution of guano for fertilization over a given area of territory.
Date: July 19, 1912
Creator: H. D. Pate
Partner: UNT Libraries Government Documents Department

Engine-Muffler.

Description: Patent for improvements to engine muffler, including noise reduction without accompanying "back-pressure".
Date: September 19, 1911
Creator: Smoot, Lonnie C.
Partner: UNT Libraries Government Documents Department
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