Insufflator for Otoscope and retinoscope and instructions
National Electric Instrument Co
Insufflator bulb and tube with tip for otoscope and retinoscope in black, faux leather case, with thin pressed brass external clasp. Internally fitted with recesses for the ophthalmoscope parts, lined with dark green velvet.
National Electric Instrument Co of Long Island New York
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15.5 x 7.5 cm (pamphlet)