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Cotton-Harvester

Description: Patent for a cotton harvester that aides in picking the most difficult part of cotton to pick by hand. Includes instruction and illustrations.
Date: January 30, 1917
Creator: Ford, James
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Calculating-Machine

Description: Patent for certain new and useful improvements in calculating machines. Whereby substantially correct calculations may be registered or recored without using a series of superfluous or immaterial numbers. The machine will round prices up to the nearest cent. For example, $0.024 becomes $0.02 while $0.025 becomes $0.03. Illustrations included.
Date: March 6, 1917
Creator: Hardgrave, Everett J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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