Ernst Leitz (Firm) · Wetzlar : Ernst Leitz · leaf 23
ption of each microscope outfit, it has seemed best to bringtogether here illustrations and de-scriptions of all our appliances forsub-stage illumination. The condenser furnished withStands I, la, lb, IIa and lib is as arule the double combination of 1.20num. apert. here figured. This con-denser is… … Condenser of 1.20 num. apert. (
Microscopy
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