Resource Type

Coin-Controlled Slide (open access)

Coin-Controlled Slide

Patent for a coin-controlled slide used for operating mechanical musical instruments and vending machines. Illustrations included.
Date: September 13, 1910
Creator: Hammond, Robert P.
System: The Portal to Texas History
Corn Sheller. (open access)

Corn Sheller.

Patent for a new and improved corn-sheller. This design, "[o]n its rear face, at the upper end of the body of the corn-sheller . . . provide[s] a hinged nubber-plate, which serves as a supporting-arm, and is constructed . . . for use in breaking or cutting off the smaller end of the ear of corn, at which end unsound kernels of corn are frequently found. The nubber-plate is hinged . . . to the upper end of the rear face of the body, and when opened out extends at nearly a right angle from the body and inclines slightly downward. When folded, the nubber-plate rests against the rear face of the body" (lines 39-52).
Date: September 13, 1887
Creator: Price, Benjamin B.
System: The Portal to Texas History
Pump-Barrel Attachment. (open access)

Pump-Barrel Attachment.

Patent for a pump barrel attachment, which has a trap to catch any material falling off the valve.
Date: September 13, 1910
Creator: Riddle, William Nelson
System: The Portal to Texas History