Ernst Leitz (Firm) · Wetzlar : Ernst Leitz · leaf 21
a working microscope. It can, however, be used to best advan-tage only on such stands as are provided with a coarse adjustmentby rack and pinion. Aside from the advantage derived from therapid changing of objectives, which it permits, it is so accuratelymade and centred as to materially facilitate… … Figure of the Micrometer-screwof the fine adjustment. — 19 — As it is necessary for this purpose that the objectives shouldbe accurately adjusted to the nose-piece it is very desirable that inordering an instrument its nose-piece should be ordered at the sametime if one is to be used, as subsequent…
Microscopy
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