Crude and Refined Sperm Whale Oil

Two clear glass containers of "Crude and Refined Sperm Whale Oil," specimens from a New Bedford producer in 1909. The unrefined oil has crystalized wax near the surface; the refined was used for lubrication and in lamps.
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citation: http://www.hawthorneinsalem.org/images/fullpageimage.php?name=MMD1013