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Chicago water plan

Description: Map shows Chicago street names, canals, and lake tunnels during the late nineteenth century. Scale [ca. 1:25,334].
Date: 1878
Creator: Shober & Carqueville
Partner: University of Texas at Arlington Library

Retort Vaporizer and Superheater

Description: Patent for improvements for vaporizers "of simple and highly efficient means for thoroughly and effectively superheating the vapor of water and oil" (lines 13-15).
Date: March 26, 1889
Creator: Biddison, Stella D.
Partner: UNT Libraries Government Documents Department

Cotton-Seed Linter

Description: Patent for an improvement "to prevent the accumulation of lint within the lint-chambers; to provide for the automatic discharge of the lint from the saw-teeth; to provide for a thorough agitation of the seed within the seed-reviews, and, finally, to provide for the delivery of the stripped seed from the machine" (lines 12-19).
Date: August 5, 1890
Creator: O'Brien, Edward J.
Partner: UNT Libraries Government Documents Department

[World's Columbian Exposition Calendar]

Description: Calendar covering from April 1893 to March 1894, illustrated with views of buildings at the World's Columbian Exposition of 1893, with information on the New York Life Insurance Company. Bound in publisher's illustrated wrappers.
Date: 1892
Partner: UNT Libraries Special Collections

Cotton-Press.

Description: Patent for a cotton-press that compresses "cotton as it is delivered from the gin into convenient shape and size of bundle, for facilitating the transportation thereof" (lines 12-15).
Date: June 25, 1895
Creator: Taylor, George
Partner: UNT Libraries Government Documents Department

Bottle-Stopper.

Description: Patent for "a bottle-stopper which shall not require any wire, cap or clamp for holding it and which shall by reason of its form and of the materials of which it is composed afford a tight joint or seal under all circumstances." (Lines 13-17) Includes instructions and illustrations.
Date: February 11, 1896
Creator: Davis, Clifton H.
Partner: UNT Libraries Government Documents Department

Check-Punch.

Description: Patent for a simple, inexpensive, and compact check-punch that can be operated by one hand and doesn't take much power to operate. The machine consists of two movable members, "one of which carries all of the male and the other all of the female dies, said members being so related that when moved relatively to each other in one direction all the male dies move as a single member...and enter the female dies, and when moved in the opposite direction all of said male dies are withdrawn" (lines 12-20).
Date: March 17, 1896
Creator: Woodworth, Charles H.
Partner: UNT Libraries Government Documents Department

Journal-Bearing.

Description: Patent for a journal-bearing that has an open spring ring that contains the journal and antifriciton devices in its center. The spring ring contracts to its minimum circumference when the journal and antifriciton devices are worn out. There is also a bearing-ring seat that allows contractions "without altering the disposition of the load" (lines 61-62).
Date: December 1, 1896
Creator: Woodworth, Charles H.
Partner: UNT Libraries Government Documents Department

[Letter and advertisements from The Chicago Sentinel, December 5, 1896]

Description: Letter and advertisements from the Chicago Sentinel, requesting a list of local voters who will favor free silver candidates like William Jennings Bryan in the 1900 presidential election. Included are some cards advertising L. D. Reynolds book "National Platforms and Political History." The envelope is also included.
Date: December 5, 1896
Creator: Chicago Sentinel
Partner: Private Collection of the CC Cox Family

[Letter from H. J. Bardwell to John Patterson Osterhout, December 8, 1896]

Description: Letter from H. J. Bardwell to his cousin, John Patterson Osterhout, regarding their family tree. Bardwell had been spending his time in the library trying to trace the Osterhout family back to the first settler and shared what he had found so far. He asked John for clarification on what he had told Bardwell about the family before and hoped to hear back soon.
Date: December 8, 1896
Creator: Bardwell, H. J.
Partner: Austin College

Nozzle.

Description: Patent for a hose nozzle with increased capacity and efficiency. Includes instructions and illustrations.
Date: March 16, 1897
Creator: Adams, Don B.
Partner: UNT Libraries Government Documents Department

[D. F. Gibbons' Business Card]

Description: A business card for D. F. Gibbons of the Davis & Rankin Company, a dairy supply manufacturer. On the reverse is a table for calculating the amount of money one can make from cattle products.
Date: [1900..1925]
Creator: Gibbons, D. F.
Partner: Private Collection of the CC Cox Family

McConnell's Maps: History

Description: A McConnell Map catalog for sets of history maps intended for use in public schools. On the back are a series of testimonials from various superintendents.
Date: [1900..1925]
Creator: McConnell Map Company
Partner: Private Collection of the CC Cox Family
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