Book Adjuster. (open access)

Book Adjuster.

Patent for a new and improved book-adjuster. This design consists in "[t]he combination, with the holder having the horizontal longitudinal recess and the vertical screw-threaded aperture, of the base-piece, the adjusting-screw swiveled at its lower end in the said base-piece, and the spring-catch" (lines 3-8).
Date: February 8, 1887
Creator: Adair, Irvine James
System: The Portal to Texas History
Well Digging Machine. (open access)

Well Digging Machine.

Patent for a new and improved well-digging machine. This design "consists in connecting to the bottom of [a] shaft a gang of plows, which effectually break and cut up the earth, and combing therewith a fixed and inclined shear-blade and detachable earth-receiver, the said shear-blade being located in the rear of the plows, for raising the earth from the motion of the plow, and delivering it automatically into the detachable earth-receiver, which is raised to the surface with its load by means of ropes and pulleys" (lines 27-37).
Date: February 6, 1883
Creator: Chambers, Job C. & Chambers, Silas
System: The Portal to Texas History
Electrical Fare-Box. (open access)

Electrical Fare-Box.

Patent for device "to improve the illumination and increase the efficiency and subserviency of street-care fare-boxes. To these ends the source of light is located in the interior of the box, instead of being placed in a separate chamber at the outside of the box, as is now done, and electrical agency is utilized to produce the light and also to notify the driver that a passenger requires change and when a fair has been deposited in the box" (lines 8-17).
Date: February 8, 1887
Creator: Crowdus, Walter A.
System: The Portal to Texas History
Recording Ballot-Box. (open access)

Recording Ballot-Box.

Patent for a recording ballot box to "indicate accurately and instantly the result of an election" (line 10-12).
Date: February 10, 1880
Creator: Buck, James G. H.
System: The Portal to Texas History
Power Stand. (open access)

Power Stand.

Patent for a new and improved power-stand. In this design, "a single pulley is mounted upon a stand, the shaft of said pulley bearing at each end, outside of the stand, one part of a friction or other clutch, which may be engaged with or disengaged from the corresponding part of a clutch attached to the shaft of a machine" (lines 13-19).
Date: February 2, 1886
Creator: Hetherington, Johnathan S.
System: The Portal to Texas History
Current Regulator for Dynamo Electric Machines. (open access)

Current Regulator for Dynamo Electric Machines.

Patent for a new and improved current regulator. This design "pertains to that class of regulators in which the collecting brushes of the commutator are automatically moved around the commutator and caused to occupy different positions relatively to the maximum lines of the magnetic field between the poles and the armature; and it embraces a novel method of controlling the movement of the brushes to compensate for variations in the speed of the machine and regulate the current in accordance with the work to be done" (lines 11-21).
Date: February 14, 1888
Creator: Crowdus, Walter A. & Sutton, Henry M.
System: The Portal to Texas History