Resource Type

Car-Replacer. (open access)

Car-Replacer.

Patent for "car-replacers or wrecking-frogs employed for guiding the wheels of a derailed car or locomotive to the rails." (Lines 7-10) Includes instructions and illustrations.
Date: February 11, 1896
Creator: Hawkins, Robert B.
System: The Portal to Texas History
Churn. (open access)

Churn.

Patent for a novel churn "whereby the dasher or agitator carried by staff or stem within the churn body will be simultaneously rotated and reciprocated...and the reciprocation will effectively agitate the contents of the churn for churning the same" (lines 14-21), with illustrations.
Date: February 16, 1915
Creator: Logan, William L.
System: The Portal to Texas History
Safety-Clamp. (open access)

Safety-Clamp.

Patent for a safety clamp that secures wagon seats in place.
Date: February 7, 1911
Creator: Gammon, William Willey
System: The Portal to Texas History