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- Marshall's Improved Compound Magneto-Electric Machine, circa 1860 - In the 19th century electricity was increasingly seen as a revolutionary medical technology. Magneto-electric machines of this type were popular in American medical and dental offices in the 1850s and 60s. This electromagnetic apparatus delivered a shock meant to cure pain and promote health. In a dental office, the machine would have been used to assuage the pain of tooth extraction.

- circa 1860
- Collections - Artifact
Marshall's Improved Compound Magneto-Electric Machine, circa 1860
In the 19th century electricity was increasingly seen as a revolutionary medical technology. Magneto-electric machines of this type were popular in American medical and dental offices in the 1850s and 60s. This electromagnetic apparatus delivered a shock meant to cure pain and promote health. In a dental office, the machine would have been used to assuage the pain of tooth extraction.