Forestry Insulator?

By Andrew Mika; posted April 5, 2012

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I picked seven of these up in an antique shop, and I couldn't determine what they are. Maybe forestry insulators? It seems to be made of wet-process porcelain, and it was incorrectly fired as there are some protrusions similar to Akron "teat rests" but the firing rest is located on the "blades" of the insulator.


Recess Embossed: WP4 Recess Embossed: {Indistinguishable patent number}

Please help. Thanks.