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4 1/2" X 1 5/16" (114mm X 34mm)
(top embossed) THOR CARBON TYPE RADIO LIGHTNING ARRESTER SWAN-HAVERSTICK INC. TRENTON N.J. |
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4 1/2" X 1 1/4" (114mm X 32mm)
Picture courtesy Mike Green |
Single Pole: Swan-Haverstick Porcelain
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4 1/2" X 1 5/16" (114mm X 34mm)
(top embossed) THOR CARBON TYPE RADIO LIGHTNING ARRESTER SWAN-HAVERSTICK INC. TRENTON N.J. |
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4 1/2" X 1 1/4" (114mm X 32mm)
Picture courtesy Mike Green |
These single pole versions were used to connect a single wire to ground. This is brown glazed dry process porcelain.
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