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Pole Top Discoveries' "Early October" Sale #2109 

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Pole Top Discoveries' Late August Sale #2107 (Closed #431632)

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Ended

#1526     CD 110.5     NAT. INSULATOR CO.      "Small Corkscrew"     Blue aqua.

  Lot # 1526
Listing Image
Pole_Top_Discoveries
Details
  • Lot # 1526
  • System ID # 436866
  • End Date
  • Start Date
Description

#1526     CD 110.5     NAT. INSULATOR CO.      (Four patent dates on base).      Blue aqua.

The "corkscrew" insulator is quite unusual!  The spiral corkscrew top was was designed to accept a horseshoe shaped clip, which eliminated the need for a tie wire.

Most examples of this uniquely shaped insulator were recovered along the route of a long distance telephone line constructed by American Telephone & Telegraph Company between New York City and Philadelphia, Pennsylvania.

A beauty that remains very near mint!  Base embossing is fully intact with no flakes of chips.