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Thill Coupling.
Patent for a new and improved thill-coupling. This design is "compris[ed of] perforated checks . . . a coupling-bolt, a locking-lever hinged to said bolt, said lever being provided with knob and notch, a cover -plate having groove and catch, and a spring-pin adapted to hold the lever and cover in engagement" (lines 81-87).
Date:
July 19, 1887
Creator:
Owens, Israel P.
System:
The Portal to Texas History