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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