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Method of Making Ballast.

Description: Patent for "improvements in methods of making ballast adapted for railway and other uses" (lines 9-11), including illustrations.
Date: February 18, 1919
Creator: Butler, Henry G.
Partner: UNT Libraries Government Documents Department

Shovel-Fastening for Cultivators

Description: Patent for new and useful improvements in shovel-fastenings for cultivators. Improvements include incorporating a spring latch in the cultivator foot so that no time is lost and no tools would be needed in replacing cultivator shovels.
Date: December 18, 1917
Creator: Kirkpatrick, James M. & Tirey, Grover C.
Partner: UNT Libraries Government Documents Department

Type-Writer Cover

Description: Patent for a collapsible typewriter cover that is more cheaply constructed, has a base for the typewriter, a supporting frame for the hood that limits the swinging movements, and a felt strip for protecting the furniture the typewriter is on.
Date: May 18, 1915
Creator: Rochelle, Raymond C.
Partner: UNT Libraries Government Documents Department
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