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Churn

Description: Patent for a churn that can produce butter in very short period of time with minimal effort.
Date: May 19, 1913
Creator: Hoefer, Charle,s Jr.; Belt, Marcus L., Jr. & Belt, William R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Fuse Plug

Description: Patent for "improvements in automatic fuse plugs" (lines 12-12). These are "adapted to be successively engaged by a swinging contact arm" (lines 16-17).
Date: May 19, 1914
Creator: Bowman, Levi M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Compressor.

Description: Patent for a refrigerating machine compressor, which compresses more gas, cools the compressor with the incoming gas, and uses excess heat to dry the gas coming in.
Date: April 19, 1910
Creator: Mayhew, John Daugherty
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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