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Combined Automatic Vending and Money-Changing Machine.

Description: Patent for an improved combined automatic vending and money changing machine. It has "a locking mechanism constructed to lock said article and change-delivery mechanisms when a coin inserted by a purchaser is of less value than the article desired by him, and [a] mechanism for unlocking both of said delivery mechanisms while the purchaser's said coin remains in the machine and adjusting bot of said delivery-mechanisms to thereafter deliver an article corresponding to the value of said coin" (li… more
Date: June 18, 1895
Creator: Sturgis, Herbert Marshall
Partner: UNT Libraries Government Documents Department

Combination Claw and Pinch Bar

Description: Patent for a combination claw and pinch bar that is adapted for use with railway tracks. Illustrations included.
Date: May 10, 1910
Creator: Clarke, Marcus S. & Adreon, Edward L.
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

Combined Tie-Plate and Rail-Anticreeper.

Description: Patent for a combined railroad tie and rail anti-creeping device, which prevents the rails from spreading.
Date: December 7, 1909
Creator: Clarke, Marcus S.
Partner: UNT Libraries Government Documents Department

Combined Tie-Plate and Rail Anticreeper

Description: Patent for a railroad tie plate designed to remained locked to the base of the rail and to prevent dislocation of the base. Illustrations included.
Date: March 29, 1910
Creator: Clarke, Marcus S. & Adreon, Edward L., Jr.
Partner: UNT Libraries Government Documents Department
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