Insulator
Maker
Armstrong DPI
MediumGlass
Dimensions4" H. x 3 5/8" D.
ClassificationsElectrical and Magnetic Tools and Equipment
Catalog number83.2.6
DescriptionArmstrong DPI 51-61. Smoky glass, side seams, bell shape, round top and smooth rounded edges at bottom.Status
Not on view
Armstrong DPI
1977
1977
after 1893
Armstrong DPI