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Pole Top Discoveries' Auction #2203 Closed in June.

Thanks to everyone for your interest in the sale.

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#2094       CD 130.1      CAL. ELEC. WORKS.        Dark cobalt blue.

  Lot # 2094
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  • Lot # 2094
  • System ID # 520483
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#2094       CD 130.1      CAL. ELEC. WORKS.    PATENT.        Dark cobalt blue.

Rich cobalt coloration, with purple toning.

Most examples of this uniquely designed insulator were found decades ago along the route of the Ridge Telephone Company line in northern California, which was constructed shortly after the formation of California Electrical Works in 1877.  The line was built for controlling water used in hydraulic mining.  One of the first long distance telephone lines in the world, it extended from French Corral, North San Juan, and Graniteville to reservoirs high in the mountains to the East.

This basic design was patented by Paul Seiler in 1877.  Examples of the Seiler embossed insulators have six projections, whereas the Cal. Elec. Works examples have four.

This design is quite prone to damage, resulting in the majority of examples having moderate to heavy damage.  The base of this example is quite nice, having only minor shallow flakes ( pinhead to match head size).  The four projections are divided in half by the wire groove, creating eight sections.  Three of the sections are undamaged, or nearly so.  The other five have flakes and chips, as seen in the photos.

From the collection of the late Cecil Boos.