Bausch & Lomb Optical Co.
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Based on the Bausch & Lomb Continental model, the instrument has a horseshoe foot and a round pillar, both made of cast iron. The limb and the square stage are attached to the pillar by a compass joint. The body-tube, with a double nosepiece, moves by rackwork and fine adjustment is by the micrometer screw on top of the limb. It comes with a carrying case. Signed: Bausch & Lomb Optical Co. Rochester, N.Y. 69085.