Automobile. (open access)

Automobile.

Patent for an automobile with a mechanism which may be extended to form a tent bed, or folded into a small compass. The folding bed of the automobile may be utilized to storm camp equipment when not used as a bed.
Date: January 4, 1921
Creator: Mackey, Franklin Orville
Object Type: Patent
System: The Portal to Texas History
Evaluation of Water Resources in Part of Central Texas (open access)

Evaluation of Water Resources in Part of Central Texas

Report studying the central Texas region's water resources, with notes that there has been rapid decline and contamination in the area. The aquifer is also being used faster than it can naturally replenish.
Date: January 1990
Creator: Baker, Bernard; Duffin, Gail; Flores, Robert & Lynch, Tad
Object Type: Report
System: The Portal to Texas History
Roller-Bearing Swivel Wrench Plate. (open access)

Roller-Bearing Swivel Wrench Plate.

Patent for improvements on Roller-Bearing Swivel Wrench Plates, including illustrations. The goal of this invention is to make the plates more efficient "for use with any suitable fishing tool, or bit for use in oil fields or water well drilling" (lines 12-14).
Date: January 10, 1922
Creator: Harralson, Charles L.
Object Type: Patent
System: The Portal to Texas History
Padlock (open access)

Padlock

Patent for Padlock.
Date: January 29, 1915
Creator: Ryon, Joshua E.
Object Type: Patent
System: The Portal to Texas History
Plow Attachment (open access)

Plow Attachment

Patent for a plow attachment. This design has improvements for the foot portion of plows and cultivators. The attachment is easy to apply, and can be adjusted accordingly.
Date: January 23, 1906
Creator: Clark, Samuel Houston
Object Type: Patent
System: The Portal to Texas History
Plow-Clevis. (open access)

Plow-Clevis.

Patent for a plow clevis that moves horizontally and vertically.
Date: January 21, 1908
Creator: Digby, Martin L.
Object Type: Patent
System: The Portal to Texas History
Snap-Hook. (open access)

Snap-Hook.

Patent for a novel snap hook that is easily attachable to an object, but cannot be accidentally detached. The hook utilizes a snap engagement with the bill of the hook and a spring. The hook can be disengaged with finger pressure on the plating.
Date: January 27, 1920
Creator: Carroll, Basil M.
Object Type: Patent
System: The Portal to Texas History
Portable Bath-Cabinet (open access)

Portable Bath-Cabinet

Patent for a bathing cabinet where the tub is supported on a swinging door such that when the door is open, the tub is in a position for use. When not in use, the tub and enclosing curtain are hidden from view and the cabinet appears to be an ordinary wardrobe. The the cabinet may be moved from place to place.
Date: January 12, 1915
Creator: Curry, Amry M.
Object Type: Patent
System: The Portal to Texas History
Plow (open access)

Plow

Patent for a plow that can be adjusted to plow to different depths.
Date: January 28, 1913
Creator: Rogers, Anderson Layne
Object Type: Patent
System: The Portal to Texas History