Wrecking-Frog.
Description:
Patent for "an improved frog for use in placing derailed cars or locomotives upon the rails, exceedingly simple and durable in construction, and formed substantially in one piece - that is, not in sections - and having improved means to lock the frog to the rail." (Lines 17-22) Includes instructions and illustrations.
Date:
March 29, 1892
Creator:
Wilmore, William Henry
Item Type:
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Patent
Partner:
UNT Libraries Government Documents Department