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Vintage Esso Gas Station Sign – Service Pump Ad Sign on Porcelain Thermometer
Vintage Esso Gasoline Sign – Gas Station Pump Ad Sign on Porcelain Thermometer
A vintage Esso gasoline porcelain enamel advertising thermometer in the gas station pump display format — the rarest and most distinctly functional object in the petroliana collecting category. The advertising thermometer combined a working temperature instrument with a branded promotional panel, giving gas stations a permanent, weather-resistant display piece that motorists consulted every day. Advertising thermometers first appeared in American commerce in the 1890s and became widespread by the 1920s; the porcelain enamel version — kiln-fired vitreous glass on heavy-gauge steel, built to survive decades of outdoor weather — emerged as the premium format for high-traffic service station display in the 1930s through 1960s. The instrument itself descends from Daniel Gabriel Fahrenheit's 1714 invention of the mercury-in-glass thermometer, the standardised temperature scale that still governs daily life in the United States. The Esso brand it advertises was formally launched by Standard Oil of New Jersey (Jersey Standard) in 1926 — the phonetic pronunciation of 'S.O.' and an acronym of Eastern States Standard Oil. Esso was the only major oil company to distribute the Negro Motorist Green Book (1936–1966) through its service station network; more than a third of all Esso franchise dealers were Black. Original kiln-fired vitreous enamel on heavy-gauge steel. Unrestored. Authenticated. Ships fully insured.