细节
CH. VERDIN, Paris
A Potain-pattern sphygomanometer with silvered dial graduated 0-35, in circular nickel casing, with instructions in fitted case -- 2in.(5cm.)diam.
A Potain-pattern sphygomanometer with silvered dial graduated 0-35, in circular nickel casing, with instructions in fitted case -- 2in.(5cm.)diam.