Automobile-Hood Attachment. (open access)

Automobile-Hood Attachment.

Patent for a device that can be affixed to the hood of a car, preventing rainwater from leaking into the electricals under the hood and behind the dashboard.
Date: February 15, 1921
Creator: Gerhart, Joe P.
System: The Portal to Texas History
Improvement in Horse-Powers. (open access)

Improvement in Horse-Powers.

Patent for new improvement in the construction of horse-powers for cotton-gins and other machinery, including illustration.
Date: February 17, 1874
Creator: Landes, Daniel
System: The Portal to Texas History
Musical Instrument. (open access)

Musical Instrument.

Patent for a new musical instrument, similar to a lyre, designed to "provide a new and improved musical instrument which is simple and durable in construction, very light, of high resonant qualities, and arranged to permit convenient manipulation of the strings without the player touching the soundboard with the fingers" (lines 10-15), which includes illustrations.
Date: February 6, 1906
Creator: Krueger, Amandus M.
System: The Portal to Texas History
Grindstone Fixture. (open access)

Grindstone Fixture.

Patent for a new and improved grindstone fixture. This design consists "[i]n a fastening for grindstones, the combination of the shaft having the rounded collar and the screw-threaded portion, the stone fitting with its central perforation upon the shaft, the washer having the concave aperture fitting upon the collar, the washer having the set-screws, and the nut upon the threaded part of the shaft clamping the washers upon the stone" (lines 77-85).
Date: February 26, 1889
Creator: Stopple, John Julius
System: The Portal to Texas History