Duplex Pole: JFD Porcelain

3 3/8" X 2 1/8" (87mm X 54mm)

 

(top embossed) SET / ANT

SET / ANT

(side embossed)

UHF-VHF TV LIGHTNING ARRESTER

AT-120

JFD MFG. CO. INC. B'KLYN, N.Y.

4 1/2" X 1 3/8" (115mm X 35mm)

 

Picture courtesy Jim Fielding

This duplex version was used to connect two antenna wires to ground. This is light green dry process porcelain intended for television antenna protection.


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