Sperry Rail Service
URI(s)
Additional Information
Associated Locale
- United States
Field of Activity
(lcsh) Railroad rails--Inspection
Additional Related Forms
Exact Matching Concepts from Other Schemes
Closely Matching Concepts from Other Schemes
Sources
- found: Rail defect manual, 1964:page 4 of cover (Sperry Rail Service, Sperry Division of Automation Industries, Inc., Danbury, Conn.)
- found: Sperry Rail Service, viewed May 1, 2018The Sperry legacy (founded by Dr. Elmer Sperry in 1928 to provide nondestructive rail inspection to railroads) - http://www.sperryrail.com/story.php
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 2018-05-01: new
- 2018-05-02: revised
Alternate Formats