Key with round head. The head is labeled "O & L C R R" on one side. The side opposite the head has a small portion that sticks outward with two prongs.
Context
Labeled for the Ogdensburg and Lake Champlain Railroad
Acquisition
Accession
2021.5
Source or Donor
VHS Library
Acquisition Method
Transfer
Lexicon
Nomenclature 4.0
Nomenclature Secondary Object Term
Key
Nomenclature Primary Object Term
Device, Security
Nomenclature Sub-Class
Protective Devices
Nomenclature Class
Regulative & Protective T&E
Nomenclature Category
Category 05: Tools & Equipment for Science & Technology
