Changeable Exhibitor. (open access)

Changeable Exhibitor.

Patent for a changeable exhibitor, which has horizontally and vertically moving rollers for displaying items.
Date: August 24, 1909
Creator: Williams, Winfield B.
System: The Portal to Texas History
Broom Rack. (open access)

Broom Rack.

Patent for a new and improved broom rack. This design "compris[es] the lower ring provided in its outer edge with a series of notches adapted to receive the head of the brooms, the upper ring arranged to fit within the opening of the lower ring when not in use and provided with a series of perforations to receive the handles of the brooms, the chains or other suitable means for connecting the rings, and the chains . . . secured to the upper rings" (lines 79-88).
Date: June 24, 1890
Creator: Neely, William D.
System: The Portal to Texas History
Cranking Device (open access)

Cranking Device

Patent for cranking device to start internal combustion engines and designed specifically for automobiles.
Date: June 24, 1919
Creator: Harris, Irvin F.
System: The Portal to Texas History
Machine for Pulling Stalks. (open access)

Machine for Pulling Stalks.

Patent for improvements in machine for pulling stalks in which it “can break the stalks in small pieces and guide the stalks into the pulling-section of the machine; the pulling-section may be adjusted to suit the average height of the stalks and bodily raised and lowered at any time to permit the pulling-section to be carried out of the way of obstructions when occasion so demands.” (Lines 11-21) Illustration is included.
Date: May 24, 1904
Creator: Kirkpatrick, George Milton
System: The Portal to Texas History
Strain-Relieving Attachment for Telegraph-Keys. (open access)

Strain-Relieving Attachment for Telegraph-Keys.

Patent for a strain relieving attachment for telegraph keys, which allows Morse code letters made up of dots and dashes to be typed with one key stroke rather than multiple ones, reducing strain on the key and operator and getting rid of extra spaces in the message.
Date: March 24, 1908
Creator: Teachworth, William H.
System: The Portal to Texas History
Plumb-Level. (open access)

Plumb-Level.

Patent for a plumb-level with combined compass and line sights.
Date: November 24, 1903
Creator: Bradshaw, William B.
System: The Portal to Texas History
Calculating Device. (open access)

Calculating Device.

Patent for a new and improved calculator. This design "consists in having a central disk provided on each side with a disk somewhat smaller, the three being pivoted centrally, so that the smaller disks on the sides may be rotated independently of the central disk. The central disk has twelve or more marginal figures on each side, equidistant from each other, and a column of figures extending inwardly from each marginal figure" (lines 19-27).
Date: November 24, 1885
Creator: Tucker, Argyle W.
System: The Portal to Texas History