Ernst Leitz (Firm) · Wetzlar : Ernst Leitz · leaf 66
. 64. 24 mm 8 diameters 15 „ 10 » 15 „ 16 ,, 6 „ 20 )> 5 „ 30 »> 4 „ 40 )> Achromatic Doublets. 2012 15 10 Simple Lens. 6 These lenses are all so made as to fit any of thelens-holders. The higher power lenses (Nos. 58 — 61)are suitable for such stands only as have rack andpinion… … Pocket Lens. 65. Pocket Microscope — The size of an objective, in box 3.25. 66. Lens for examining Algae 1.25.
Microscopy
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