Resource Type

States

Car Brake. (open access)

Car Brake.

Patent for a new and improved brake for railroad cars. This design "consists in the combination, with the brake, of an angle-lever on the end part of the car, a draw-head on the car, a lever pivoted on the same, a rod connecting the said lever with the angle-lever, a toothed locking-bar on the standard, and a pin on the lever on the standard" (lines 10-16).
Date: July 21, 1885
Creator: Daudelin, Joseph M.T.
System: The Portal to Texas History
Bill or Paper File. (open access)

Bill or Paper File.

Patent for a new and improved bill or paper file. This design "relates to hook-files, the object being to so improve their construction as to prevent the bills or papers on the file from working off. The invention consists, essentially, in a file provided with a tongue pivoted near the point of the hook" (lines 7-13).
Date: August 9, 1887
Creator: Gilbert, Frank B.
System: The Portal to Texas History
Motive Power. (open access)

Motive Power.

Patent for a new and improved motive power. This design "consists of an inclined wheel applied to a center shaft that turns in fixed bottom bearings and adjustable top bearings and transmits the power by a crown-wheel and gear-wheels and shafts in one or both directions" (lines 19-23).
Date: June 14, 1881
Creator: Gibson, Obadiah William
System: The Portal to Texas History