Lot 230

Price Realized:  $440
San Francisco Wooden Electric Trolley Insulator, 2/3 Walnut and 1/3 Blond Two Tone; Uncommon and with great color separation!
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Lot 230: San Francisco Electric Trolley Insulator  Color: 2/3 Walnut and 1/3 Blond Two Tone  Description: Great condition with typical age fissures in the grain. The outside has been refinished, but the inside retains the original patina. The walnut/blond separation in the grain makes this an uncommon example of a historical insulator. In 1904, The United Railroads of San Francisco began to use lignum vitae insulators to support heavy feeder wires for their trolley system. Lignum vitae was chosen because it could handle high stress and high temperature. After the 1906 San Francisco earthquake, many of these insulators were still intact, even though the resulting fires melted the copper cables. A section of these insulators was removed when an underground system was installed, and the rest came down when the crossarms were replaced. (#0477)
Estimate: $200 - $300  Open: $1
Price Realized:  $440

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