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Pole Top Discoveries' "Late August" Auction (Closed #281416)

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#656   -   CD 330   -   PYREX     663   -    Nearly colorless.

  Lot # 656
Listing Image
Pole_Top_Discoveries
Details
  • Lot # 656
  • System ID # 287480
  • End Date
  • Start Date
Description

#656      CD 330      PYREX       663       Nearly colorless.

A seldom encountered, large power glass insulator measuring 10-3/4" in height and 15" across.

CD 121 aqua insulator not included in this lot.  For size comparison only.

Second photo has arrows to show surface damage.  Yellow arrow shows some surface stress checking in the side groove and lower edge of one ear.  Green arrows show a surface stress fracture similar to an annealing line. This remains shallow (just below the surface) most of the distance. Red arrow shows where this goes somewhat deeper (about 1/4" into the very thick glass glass) for about two inches.