Illustrated catalogue of electro-medical instruments : manufactured and sold by Thomas Hall, electrician, manufacturer and importer of magnetic, galvanic, mathematical, optical, philosophical, and telegraphic instruments, of all descriptions.

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Illustrated catalogue of electro-medical instruments : manufactured and sold by Thomas Hall, electrician, manufacturer and importer of magnetic, galvanic, mathematical, optical, philosophical, and telegraphic instruments, of all descriptions. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.