Catalogue Nr. 35 of microscopes and accessory apparatus (1894)
Ernst Leitz (Firm) · Leipzig : Klinkhardt · leaf 51
is fitted over the regular eye-piece. The upper portion of the collar containing theprism is so arranged thatit may be turned aside,thus permitting the useof the eye-piece withoutany hinderance . . . . 12. 71. The same attached to eye-piece Nr. I. The prism is thuspermanently fixed in the optical…
Microscopy
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