2 Avery's aural speculae

2 Avery's aural speculae, one silver, one silver plated brass

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2 Avery's aural speculae, one silver, one silver plated brass
Science Museum Group
© The Board of Trustees of the Science Museum

2 Avery's aural speculae, one silver, one silver plated brass, probably English, 1850-1900

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