Ernst Leitz (Firm) · Wetzlar : Ernst Leitz · leaf 69
thecomparison prism across one half of the slit. Thecylinder Q above the eye-piece contains the Amiciprism. At the point N of the horizontal tube RN isthe micrometer scale, illuminated by the mirror O.After raising the spring-catch L the upper part ofthe spectroscope may be turned round the pivot… … Thomas Haemaeytometer. 71. Thomas Haemacytometer consists of an object glasswith carefully constructed cell, a ground absolutelyplane coverglass and two pipettes for mixing the bloodand saline solution used in the examinations. One ofthese pipettes, for estimating the number of red corpus-cles is…
Microscopy
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