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Номер объекта
W-282
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Time Finding
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Наименование
Indicator
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Название
Dipleidoscope
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Создатель
Dent, Edward John
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Описание
Darkened mirror rotating on 2 axes, one for latitude (or solar declination), graduated 0-90, and one for time, graduated IX-III by quarter hours in both directions. Small telescope screws into ring pointing at mirror. Set screws for each axis & for telescope ring. 2 leveling screws & 2 perpendicular spirit levels on base. Wooden and cloth box. One spirit glass (or level glass) is dry.
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Материал
"E.J. DENT/ LONDON"; "PATENTED" (at other end of hour scale); "Dent & Co." (in compass); "2101" (on bottom - scratched twice)
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Материал
glass, brass, wood, metal
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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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11.2 |
| Width |
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12.8 |
| Depth |
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12 |
| Diameter |
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| Circumference |
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|
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Imperial(in) |
|
Metric(cm) |
| Height |
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|
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| Width |
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| Depth |
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| Diameter |
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