Microscope, with adjustment by graduated micrometer screw, Abbé condenser, iris diaphragm, cylinder diaphragms, double nose-piece, objectives, 2, 4, 7, 9, eye-pieces, i, iii, iv. By Leitz See the same <link ref="tec2999">Microscope</link> on another photograph from the same set. See another <link href="http://www.sil.si.edu/digitalcollections/trade-literature/scientific-instruments/files/51704/imagepages/image19.htm">figure</link> of this instrument and a <link href="http://www.sil.si.edu/digitalcollections/trade-literature/scientific-instruments/files/51704/imagepages/image25.htm">separate entry for the Abbé- condenser with Iris-diaphragm</link> in the Catalog of the Cambridge Scientific Instruments Company, 1901, No. 506. Microscope, with adjustment by graduated micrometer screw, Abbé condenser, iris diaphragm, cylinder diaphragms, double nose-piece, objectives, 2, 4, 7, 9, eye-pieces, i, iii, iv. By Leitz

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