Insulator
Dateafter 1893
MediumGlass
Dimensions3 3/4 x 2 5/16(diam.) in. (9.5 x 5.9 cm)
ClassificationsElectrical and Magnetic Tools and Equipment
Catalog number2006.74.31
DescriptionClear green glass insulator which says "H. Patent May 2, 1893". It is pressed glass with ribbing to hold wire outside and screw top ribs inside. Bottom has toothed edge.Status
Not on view
circa 1930
