Browsing by Author "Leitz, Ernst."
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Item 1.021(2012-03-05) Leitz, Ernst.The oldest Leitz instrument in the collection is a small microscope, Stand V. The horseshoe base supports a circular pillar, to which the body-tube, square stage and mirror are attached. There is no substage. Focusing is by sliding the inner tube and adjusting the micrometer screw. Signed: E. Leitz Wetzlar No 6017.Item 1.046(2012-02-07) Leitz, Ernst.The horseshoe-shaped foot and the pillar are cast as one piece. The curved limb supports the square stage and the body-tube with a triple nosepiece. Coarse focusing is by rackwork and fine adjustment by micrometer screw. The substage, consisting of an Abbe condenser and iris diaphragm, moves vertically on rackwork. A rotating mirror is attached to the tailpiece. It comes with a wooden carrying case (covered with black buckram). The microscope belonged to Dr. Henry C. Hartman (1881-1963), Professor of Pathology and Dean at the University of Texas Medical Branch at Galveston. Signed: Ernst Leitz Wetzlar No 238321.Item 1.061(2012-02-07) Leitz, Ernst.This instrument has all the features of a late 19th-century Continental microscope. A short rectangular pillar sits on a horseshoe base and supports the limb and the stage on trunnions. The body-tube has a rackwork for coarse focusing and carries a triple nosepiece. Fine focusing is by the micrometer screw on the top of the limb. The substage, consisting of an Abbe condenser and iris diaphragm (which itself moves horizontally by rackwork), can be raised or lowered by means of rackwork. The double mirror is attached to the end of the substage mechanism. This microscope was purchased by Dr. William Keiller (1861-1931) in Edinburgh, Scotland, prior to his appointment in 1891 as the first Professor of Anatomy at the University of Texas Medical Branch at Galveston. It comes with wooden carrying case. Signed: E. Leitz Wetzlar no 17327.Item 1.066(2012-03-05) Leitz, Ernst.Another Leitz microscope similar to the above (1.061) with wooden carrying case, about 1896, and signed: E. Leitz Wetzlar & New York No 28744.Item