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Details
A good 20th-Century black-enamelled petrological microscope,
by Carl Zeiss, Jena, with a straight and an angled eyepice attachment, each with internal diaphragm and swinging lens, the nosepiece with swinging filter and sliding objective mount, raised on a curved limb with rack and pinion and micrometer focusing over the circular stage with graduated circumference and vernier and complex substage condensor with swinging filter and diaphragm adjusted via rack and pinion, over a plinth base with internal electric light, with a box of accessories containing the eyepiece mounts, three further objective mounts, four objectives, power lead for the internal light, a blue glass disc, two swinging filter mounts, an eyepiece and tools, in a wooden carrying case with roll-up front, leather handle and key -- 54cm. (21¼in.) high, with a separate accessory case containing further objectives and mounts, one planochromatic, two polarising eyepieces, three filters, two adjustable collars and a large electric polarisation device, the case -- 42.2cm. (16 5/8in.) wide (2)
by Carl Zeiss, Jena, with a straight and an angled eyepice attachment, each with internal diaphragm and swinging lens, the nosepiece with swinging filter and sliding objective mount, raised on a curved limb with rack and pinion and micrometer focusing over the circular stage with graduated circumference and vernier and complex substage condensor with swinging filter and diaphragm adjusted via rack and pinion, over a plinth base with internal electric light, with a box of accessories containing the eyepiece mounts, three further objective mounts, four objectives, power lead for the internal light, a blue glass disc, two swinging filter mounts, an eyepiece and tools, in a wooden carrying case with roll-up front, leather handle and key -- 54cm. (21¼in.) high, with a separate accessory case containing further objectives and mounts, one planochromatic, two polarising eyepieces, three filters, two adjustable collars and a large electric polarisation device, the case -- 42.2cm. (16 5/8in.) wide (2)
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