Browsing by Author "Bausch & Lomb Optical Co."
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Item 1.044(2012-03-02) Bausch & Lomb Optical Co.The collection includes two all-brass Continental model microscopes by Bausch & Lomb, which are similar to the above. The instrument (1.044) with serial number 40315, and instrument (1.045), with a serial number 26124, date from the turn of the 20th century.Item 1.045(2012-03-05) Bausch & Lomb Optical Co.The collection includes two all-brass Continental model microscopes by Bausch & Lomb, which are similar to the above. The instrument (1.044) with serial number 40315, and instrument (1.045), with a serial number 26124, date from the turn of the 20th century.Item 1.052(2012-02-07) Bausch & Lomb Optical Co.The horseshoe base and the pillar, cast as one piece, and the limb are made of iron and painted black. The brass arm supports the body-tube, which has a triple nosepiece. The coarse adjustment is by rackwork, and the screw for fine adjusting is on top of the limb. Below the square stage are a swinging Abbe condenser, an iris diaphragm, and a double mirror. The microscope was purchased in 1914 by George Hermann III, M.D., Ph.D., Professor of Internal Medicine at the University of Texas Medical Branch at Galveston, when he was a medical student. It comes with a wooden carrying case and accessories. Signed: Bausch & Lomb Optical Co. Rochester, N.Y. The serial number 99168 is at the end of the tube.Item 1.059(2012-02-07) Bausch & Lomb Optical Co.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.Item 1.060(2012-02-07) Bausch & Lomb Optical Co.This is the earliest Bausch & Lomb instrument in the collection. The tripod base supports a round pillar and round limb, attached by a compass joint. The body-tube with a triple nosepiece moves by rackwork, and the fine adjustment is by the screw on the top of the limb. Below the round stage are the swinging condenser and double mirror. It comes with a wooden carrying case and accessories. Signed: Bausch & Lomb Optical Co.