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Номер объекта
A-167
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Navigational
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Наименование
Sextant
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Создатель
Collyer, W.
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Описание
Polished tulip-pattern frame, wooden handle. Tangent screw and clamping screw on the back of the index arm. Three shades (two red, one green); three horizon shades (two red, one green). Index glass adjustment by screw; horizon glass by capstan screws for perpendicular adjustment only. Magnifier on a swiveling arm. Threaded telescope bracket, no adjustment. Telescope (81 mm) erect image. Sight tube (82 mm); shades eyepiece (red). Fitted polished mahogany keystone box with green velvet linings, two latch hooks, lock and key.
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Материал
Signed on the limb: "W. Collyer, Commercial Docks London"
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Материал
brass, ivory, glass, wood
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Тема
England
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Размерность
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Imperial(in) |
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Metric(cm) |
| Height |
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23.9 |
| Width |
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20.5 |
| Depth |
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10.7 |
| Diameter |
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| Circumference |
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Imperial(in) |
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Metric(cm) |
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