细节
A beechwood stethoscope,
unsigned -- 5½in. (14cm.) high; another stethoscope in two parts; and a German battery-operated hearing aid with instruction leaflet, in box 10in. (25.4cm.) long (3)
unsigned -- 5½in. (14cm.) high; another stethoscope in two parts; and a German battery-operated hearing aid with instruction leaflet, in box 10in. (25.4cm.) long (3)