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Das Aceton, or The Acetone, is a German Alchemical text written by Dr. Christian August Becker in 1862. It was originally published in 1862, with a second edition in 1867. Das Aceton is perhaps the only Alchemical work largely devoted to the study of the Philosophical acetone. The chemical acetone is the organic compound. It is the simplest ketone; a colorless, volatile, flammable liquid. The chemical acetone is very likely not the same as the Philosophical acetone.

By the late nineteenth century, Swedish immigrants began arriving by the thousands in New England, attracted by the area's heavy industry. In particular, the steel and ceramic shops of Worcester provided a livelihood for many of them. As a result, new areas of Swedish settlements developed throughout the surrounding towns.

Swedes of Greater Worcester captures the area's Swedish heritage through a collection of images that displays everything from vintage weddings to ski-jumping events and stories known only by the families of the Swedes who first traveled to Worcester. These images...