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Improvement in Journal Boxes.

Description: Patent for axel shaft oil lubrication system that acts as a reservoir and saves the oil lubrication materials to be used repeatedly without waste.
Date: May 13, 1873
Creator: Morris, Joseph R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Jack-Screws and Clamps Combined.

Description: Patent for an invention "to combine a jack-screw or lifting-jack with a clamp, so that they may be interchangeably used." (Lines 19-21) Includes instructions and illustrations.
Date: May 20, 1873
Creator: Jackson, Thomas R.; Jackson, Asberry C. & Watson, Claudius S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Bleaching Resins.

Description: Patent for a process to "bleach, clarify, and refine the commonest and lowest grade of resin, and such is now known to the trade as black resin, as to produce therefrom, by a cheap and simple means or process, an article as pure as extra pale, or resin which is the product of the virgin dip, and which for use in all the arts where the finest quality of resin is desirable or required, is equally as valuable." (Lines 14-23) Includes instructions and illustrations.
Date: May 27, 1873
Creator: Lee, Archibald K.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Worm Destroyers.

Description: Patent for "a new machine for removing the destructive cotton-worms from the cotton-plants without injury to the plants, and for destroying the worms," which "consists in the arrangement of a movable frame, which is by animals drawn over the fields to straddle the rows of cotton, and which is provided with brushes for sweeping the worms from the plants, and with jointed bottom pieces or slides, which crush them on the ground." (Lines 15-25) Includes instructions and illustrations.
Date: May 20, 1873
Creator: Helm, Jackson
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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