Ernst Leitz (Firm) · Wetzlar ; New York : Ernst Leitz · leaf 44
Mineralogical Stand II. ERNST LEITZ, Optical Works, Wetzlar. 40 — Mineralogical Stand III. No. | 37. The tube is mounted upon an upright iron foot andis movable by rack and pinion, the accurate con-struction of which admits of focussing high powers. The stage revolves and is capable of being…
Microscopy · Optometry · Equipment and supplies
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