Resource Type

Improvement in Scrapers. (open access)

Improvement in Scrapers.

Patent for a horse-drawn excavator that includes a scoop attached to wheels.
Date: June 16, 1874
Creator: Arcos, Ignacio
System: The Portal to Texas History
Improvement in Gun-Locks. (open access)

Improvement in Gun-Locks.

Patent for "a novel application of hair-trigger catch to the main trigger, which operates together with a holder and separate springs." (Lines 30-33) Includes instructions and illustrations.
Date: August 16, 1870
Creator: Deutz, Joseph
System: The Portal to Texas History