This is a brown ceramic telephone wire insulator. There is a hole in the center for the wires to pass through. The insulator measures 2.5" (h) x 3" (dia).
Collection
Permanent Collection
Lexicon
Nomenclature 4.0
Nomenclature Primary Object Term
Insulator
Nomenclature Sub-Class
Electrical System Components
Nomenclature Class
Electrical & Magnetic T&E
Nomenclature Category
Category 05: Tools & Equipment for Science & Technology
