Ernst Leitz (Firm) · Wetzlar : Ernst Leitz · leaf 71
Ehrlichs Eye-piece. Ehrlichs Eye-piece is provided with a diaphragm havinga square opening, the size of which is regulated by asmall lever. This eye-piece is designed to facilitate the estimationof the relative numbers of red and white blood corpus-cles in dry preparations. Full directions… … Screw Micrometer Eye-piece. No. $ 74. Screw-micrometer eye-piece for accurate measurementof large objects. Between the eye lens and the collect-ing lens of a Huyghenian ocular there is a millimeterscale etched on glass, above which is a moveable indi-cator whose position is controlled by a…
Microscopy
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
