CD 701: USA

3 1/4" X 4 1/8" (83mm X 105mm)

 

No Markings

 

Photograph courtesy Dario Dimare

3 1/4" X 4 1/8" (83mm X 105mm)

 

No Markings

 

Photograph courtesy Dario Dimare

This unmarked style is known as "egg" insulator due to its shape. Some of these are attributed to Sandwich glass.


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