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This is a simple hand held instrument used for static visual perimetry...
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This is a medical reflex hammer for neurological examination made...
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This Tonometer was used for measuring Intra-Ocular Pressure (IOP)...
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This 18th Century instrument is the first Dynamometer invented...
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Morton's Chain of lenses Ophthalmoscope with ivory handle and 29...
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A 19th century monaural stethoscope made of turned ebonized cedar...