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The manufacture of soap in large tanks in the 19th century.
The manufacture of soap in large tanks in the 19th century. From Les Merveilles de la Science, published c. 1870
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Keywords: 19th, archival, archive, century, historical, history, illustration, industry, job, lime, making, manufacture, manufacturing, occupation, science, scientific, soap, soapmaker, soapmakers, soapmaking, tallow, tank, tanks, work, worker, workers, working