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Train Signaling System

Description: Patent for trains that use an alarm system that alerts the engineer if there is an issue with the automatic air-brakes in any of the train cars. This alarm system allows for users in any car to alert the engineer and does not diminish the effectiveness of the air brake system.
Date: June 12, 1906
Creator: Gerard, Joseph
Partner: UNT Libraries Government Documents Department

Steam Boiler Cleaner.

Description: Patent for a new and improved steam-boiler cleaner. This design "has relation to means for cleaning the mud or foam, or both, from steam-boilers; and it consists in the construction and novel arrangement of devices" (lines 16-19).
Date: February 12, 1884
Creator: Foster, James Harvey.
Partner: UNT Libraries Government Documents Department

Quilting Attachment for Sewing-Machines.

Description: Patent for a support for quilting frames that can be attached to a sewing machine. Includes instructions and illustrations.
Date: October 12, 1897
Creator: Obuch, William
Partner: UNT Libraries Government Documents Department

Permutation Lock.

Description: Patent for a new and improved combination lock. This design "consists in the construction and novel arrangement of the slotted bolt, follower, and follower-shaft, the elongated bolt-stop pivoted in the slot of the bolt, the radially-slotted disks having concentric stems on the follower-shaft, and the lettered or figured and graduated stem-caps engaging the respective stems by means of circular series of teeth" (lines 20-27).
Date: December 12, 1882
Creator: Saxon, James W.
Partner: UNT Libraries Government Documents Department

Combined Inkstand and Pen Rack.

Description: Patent for a new and improved inkstand and pen rack. This design "is to provide one or more inkstands with pen-holding attachments which will be adapted to close the lid of the inkstand when the pen is in position on the rack-frame and permit the lid to open by gravity of attached parts when the pen is removed for use" (lines 8-14).
Date: August 12, 1890
Creator: Lindsay, George Washington
Partner: UNT Libraries Government Documents Department
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