Mechanical vibratory treatment : an invaluable instrument for professional use : every facility offered for professional investigation / James Barker.

  • James Barker (Firm)
Date:
[between 1900 and 1909?]

Licence: Public Domain Mark

Credit: Mechanical vibratory treatment : an invaluable instrument for professional use : every facility offered for professional investigation / James Barker. Source: Wellcome Collection.

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