Electric-Arc Lamp. (open access)

Electric-Arc Lamp.

Patent for improvements to electric-arc lamps to regulate the feed of the carbon-carrying rod, with illustrations.
Date: July 6, 1897
Creator: Walsh, James J.
System: The Portal to Texas History
Fence-Making Machine. (open access)

Fence-Making Machine.

Patent for a simple, portable fence-making machine meant to separate crossed wires, re-utilizes old wires, and has "a wedge being employed in the twisting-head for the purpose of separating the old twists and causing them to pass through the twisting-eye" (lines 22-25). The machine allows the wires to be equally spaced apart, and the space is adjustable. A picket-gage is included in the invention, which regulates the space between pickets.
Date: July 23, 1895
Creator: Briney, Benjamin C. & Geron, Solomon C.
System: The Portal to Texas History
Locking Joints for Railway-Rail Joints. (open access)

Locking Joints for Railway-Rail Joints.

Patent for a locking device for railway-rail joints. It improves how the meeting rail ends are fastened, and prevents accidental disconnection. It is "a locking fish-plate having keyhole bolt-slots, the narrow portion of the slots having inclined sides, the inclination diminishing gradually toward the end, and double-headed bolts, one of the heads being tapered, whereby the bolt is subjected to a double wedging action" (lines 56-61). A face-plate is perforated and receives the tapered heads and securing-rivets.
Date: July 21, 1896
Creator: Anderson, Lee
System: The Portal to Texas History
Type-Writing Machine. (open access)

Type-Writing Machine.

Patent for a simple, reliable, and easily operated attachment for a type-writing machine that continuously feeds paper to the type. "Several sheets, as they are printed may be severed in equal lengths, without disturbing the engagement of the continuous web with the paper-cylinder and feeding-devices" (lines 13-17).
Date: July 25, 1893
Creator: Smith, John D.
System: The Portal to Texas History