Resource Type

Convertible Corn and Cotton Planter, Stalk-Cutter, and Roller. (open access)

Convertible Corn and Cotton Planter, Stalk-Cutter, and Roller.

Patent for a convertible corn and cotton planter, stalk-cutter, and roller. It has a main frame, a supplemental frame that has its front end hinged to the front of the main frame, a roller with circular journaled in the supplemental frame, transverse segment-plates with removable blades attached to the supplemental frame, spaces between the segment-plates, an axle, driving-wheels, a sprocket wheel and chain, feed-boxes, means for feeding the grain, and wheels for laying the ground and the coverers.
Date: April 28, 1896
Creator: Mauldin, Columbus Scott
System: The Portal to Texas History
Sewing-Machine Brake. (open access)

Sewing-Machine Brake.

Patent for a new and useful sewing machine brake to "prevent retrograde rotary movement of the shaft" (line 9 - 10).
Date: April 5, 1898
Creator: Weaver, John Robert
System: The Portal to Texas History
Calculating-Machine. (open access)

Calculating-Machine.

Patent for an improvement to mechanical calculators by providing the "means for facilitating the addition of successive numbers of the same or different denominations, and also for subtracting and multiplying the same by substantially the means employed in adding" (lines 10-14). It includes a written explanation and illustrations.
Date: April 17, 1894
Creator: Stallard, Sherman R.
System: The Portal to Texas History
Cotton-Press. (open access)

Cotton-Press.

Patent for a simple, inexpensive, and powerful plunger for a cotton-press that is directly controlled by the operator. The plunger is hydraulically powered, the pressure being created by steam.The plunger's parts are arranged so the power is multiplied.
Date: April 24, 1894
Creator: Williams, Silas Jackson
System: The Portal to Texas History