Resource Type

States

Guard-Rail Clamp (open access)

Guard-Rail Clamp

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
System: The Portal to Texas History