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#652 - COLUMBIA - wide groove - Dark aqua.

  Lot # 652
Listing Image
Pole_Top_Discoveries
Details
  • Lot # 652
  • System ID # 287220
  • End Date
  • Start Date
Description

#652      PATENT MAY 12 1891     COLUMBIA       Dark aqua.     Wide saddle groove.

This variant with wide saddle groove is quite a lot scarcer than the examples with standard width groove.

One of the more unusual designs in US power glass insulators.

Flat base chip can be seen below "BIA."  Otherwise, very near mint.