Voltini's pneumatic auriscope

Made:
1901-1920
Voltini's pneumatic auriscope, plated metal, with speculum

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Voltini's pneumatic auriscope, plated metal, with speculum
Science Museum Group
© The Board of Trustees of the Science Museum

Voltini's pneumatic auriscope, plated metal, with speculum, in case, European, 1901-1920