Guard-Rail Clamp
Description:
Patent for a simple, durable and adjustable guard rail clamp for securing guard rails to the main rails of a railroad track "as at bridge approaches and opposite to frog points" (lines 11-12) without the use of drill bolt-holes.
Date:
November 28, 1905
Creator:
Butcher, Jasper; Thomas, James L. & Butcher, Jasper