Javal-schiotz opthalmometer, c 1900
A javal-schiotz opthalmometer by a. Jobin constr paris. Circa 1900. The instrument is made of brass. The daylight-plates have been replaced by milk-glass plates and are electrically illuminated. An adjusting knob is used to move the plates symmetrically over the arc. Measurements 70 x 45 x 42 cm.