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Improvements in Expanding Mandrels.

Description: Patent for improvements in expanding mandrels by way of an expanding-chuck.
Date: January 23, 1872
Creator: Simons, John
Partner: UNT Libraries Government Documents Department

Improvement in Umbrella-Supporters.

Description: Patent for "a simple and convenient device for supporting and carrying a parasol or umbrella in such a way as to leave the hands free, and which will enable the parasol or umbrella to be tilted or inclined forward or back, or to either side, as may be required" (lines 8-14). Includes instructions and illustrations.
Date: January 11, 1876
Creator: Arnold, Eliza M.
Partner: UNT Libraries Government Documents Department

Improvement in Locomotive Smoke - Stacks.

Description: Patent for new and useful improvement in locomotive smoke stacks, "in which the sparks, live cinders, and other heavy particles are arrested near the top of the stack." It consists of a petticoat-pipe, arranged so that it may be raised or lowered for the purpose of regulating the draft.
Date: January 5, 1875
Creator: Cleary, Edward
Partner: UNT Libraries Government Documents Department

Improvement in Fluting-Machines.

Description: Patent for an improvement in gage-fluting machines, including an illustration. "It relates to a machine for fluting or crimping articles of ladies' apparel" (lines 6-7).
Date: January 14, 1873
Creator: Saunders, David R.
Partner: UNT Libraries Government Documents Department

Improvement in Combined Wrench and Saw-Set.

Description: Patent for improvements in the "combination of a wrench with a saw-setting device attached to the sliding jaw thereof" (lines 17-19). Includes instructions and illustrations.
Date: January 22, 1878
Creator: Backer, Jacob
Partner: UNT Libraries Government Documents Department

Lubricating car-axles

Description: Patent for an improvement in axle lubrication involving an oil-elevator, axle-box and journal-box. Includes illustrations.
Date: January 7, 1873
Creator: Morris, Joseph R.
Partner: UNT Libraries Government Documents Department
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