Houghton County Rail Testing Car

This rail test car was developed and used by the Sperry Rail Service Company of Danbury, Connecticut. They contracted with railroads and street railroads to test rails for flaws. Electronic reproduction of photograph in The Copper Country Street Car Memories 1900-1932.
Abstract/Description: This rail test car was developed and used by the Sperry Rail Service Company of Danbury, Connecticut. They contracted with railroads and street railroads to test rails for flaws. Electronic reproduction of photograph in The Copper Country Street Car Memories 1900-1932.
Subject(s): Street-railroads
Houghton (Mich.)
Date Created: 1930 (approximate)