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Improvement to Lifting-Jacks

Description: Patent for the improvement of the lifting jack which allows the user to "lower the lifting bar by a step-by-step movement as well as to elevate the lifting bar by such a movement (lines 12-14). Includes instructions and illustration."
Date: January 12, 1915
Creator: Parker, Charles W. & Wittliff, Theodore H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Locomotive.

Description: Patent for an improved locomotive or traction-engine, with a series of water-shells, each containing "a series of fire-flues, a feeding-water heater, a pipe discharging steam" (lines 118-121), and a double-action plunger-pump.
Date: January 26, 1897
Creator: McCallum, Daniel W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Stationary Boiler.

Description: Patent for a new and useful improvements in stationary boilers for " marine, locomotive, and stationary purposes" (line 14- 15).
Date: January 4, 1898
Creator: McCallum, Daniel W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Music-Indicator.

Description: Patent for a music indicator, which shows sheet music notations and the name of the note and major and minor chords on a device, which is placed over the keyboard of a piano to show where the different notes are for use in teaching music.
Date: January 21, 1908
Creator: Thrash, William E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

[Letter from E. S. Marsh to I. H. Kempner, January 26, 1963]

Description: Letter from E. S. Marsh to I. H. Kempner discussing the financial challenges and operational changes faced by the railway system, including the need for modernization, streamlining, and efficiencies in response to decreased freight and passenger business. He outlines the financial difficulties of the Gulf Lines, emphasizing the importance of adapting to current economic realities without sacrificing service quality. He expresses respect for Kempner's judgment and insight and shares a draft stat… more
Date: January 26, 1963
Creator: Marsh, E. S.
Item Type: Refine your search to only Letter
Partner: Rosenberg Library

[Letter from Sol S. Steinberg to D. W. Kempner, January 19, 1954]

Description: Letter from Sol S. Steinberg to D. W. Kempner informs her that a box of fish will be sent by express from Hoxie, Arkansas, and a dozen quail will be sent from Joplin, Missouri. Steinberg assures Mrs. Kempner that the fish is raised strictly for the market and shipped with a permit. He mentions the scarcity of quail in Missouri and Arkansas due to upcoming restrictions on quail shooting and expresses regret for not being able to send more quail.
Date: January 19, 1954
Creator: Steinberg, Sol S.
Item Type: Refine your search to only Letter
Partner: Rosenberg Library

Adding-Machine

Description: Patent for improvements to adding machines, which is key-operated and includes a vertically disposed shaft and a means to actuate the sliding plate.
Date: January 5, 1915
Creator: Gatewood, William F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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