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697
Wrench
Patent for wrench improvement. Allows for "instantaneous initial or preliminary adjustment to fit any size object within its capacity, and a final adjustment to engage the object firmly and securely and to provide a simple, practical, and efficient wrench of strong and durable construction, and equipped with ratchet mechanism for affording a quick adjustment of a sliding jaw and a threaded connection . . . " (13-21)
Date:
January 4, 1916
Creator:
Cunningham, Ira
System:
The Portal to Texas History