Canadain porcelain

By James Mulvey; posted November 7, 2020

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Insulators marked Slater are a fairly common item, this wire holder has additional markings N. Slater Canada . (E/P) (the / is a double ended lightning bolt.)

A few nail knobs marked (S) (S) ( smith and stone)

So, non-pintype insulators marked with just an N a Slater product?