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#621 - CD 131.4 - PATENT DEC 19 1871. - Light green aqua tint.

  Lot # 621
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Pole_Top_Discoveries
Details
  • Lot # 621
  • System ID # 284854
  • End Date
  • Start Date
Description

#621       CD 131.4        PATENT DEC 19 1871.    1     Light green-aqua tint.

A patent was issued on December 19, 1871 to Ralph Hemingray for a multi-step process in forming threads in glass insulators.  This example was one of several different insulator styles produced using the process, and is among the earliest.

Attractive, light coloration with nice clarity in the glass.

Sparkling, very near mint+ condition.