UNT Libraries Government Documents Department - 5 Matching Results

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Improvement in Beer-Refrigerators.: Patent for "an improved refrigerator for cooling lager-beer in the keg, and keep it cool for a long time with a small quantity of ice" (lines 15-18) including illustrations.
Improvement in Corn-Shellers.: Patent for improvement in the design of the corn-sheller, including illustrations.
Improvement in Excavators: Patent for "an improvement in excavating and dredging machines" (lines 12-13).
Improvement in Machines for Washing Photographs: Patent for "a new and improved apparatus for washing photographic prints after fixing, for the purpose of removing the double hyposulphite of soda and silver formed in the body of the paper during the process of fixing" (lines 6-11).
Improvements in Corn-Shellers.: Patent for an improved "Combined Corn Husker, Sheller, and Cleaner" (lines 4-6) including instructions and illustrations.