1579

Danger High Voltage Sign

Currency:USD Category:Collectibles / Mining Start Price:150.00 USD Estimated At:300.00 - 1,000.00 USD
Danger High Voltage Sign
SOLD
250.00USD+ (52.50) buyer's premium + applicable fees & taxes.
This item SOLD at 2017 Apr 28 @ 16:46UTC-7 : PDT/MST
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White lettering on red enamel, 9 x 12 inches. "Danger / High Voltage / Cottrell / Electrical Precipitator / Western Precipitation Corp. / Los Angeles - California - U.S.A."







Frederick Gardner Cottrell was an American Physical Chemist, Inventor and Philanthropist. He is best known for his invention of the electrostatic precipitator, one of the first inventions designed to eliminate air pollution—and for establishing Research Corporation for Science Advancement, a foundation that has funded scientific research since 1912. State: City: Date: ID#46821