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Номер объекта
M-108
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Surveying
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Наименование
Protractor
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Название
Protractor: With index
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Создатель
Grazzini, Ferdinando
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Описание
For use on plane table. Truncated circular plate pierced with horizontal windows. Limb divided 0-180° every 1°. Index rule with chamfered edge. Two scales of equal parts, 0-20 and 0-10, each divided into 6 parts. Labelled "Canne. B6".
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Материал
"Ferdinando Grazzini Fece/Lanno 1747"
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Материал
brass
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Тема
Italy
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Размерность
|
Imperial(in) |
|
Metric(cm) |
| Height |
|
|
1 |
| Width |
|
|
34 |
| Depth |
|
|
9.1 |
| Diameter |
|
|
|
| Circumference |
|
|
|
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|
Imperial(in) |
|
Metric(cm) |
| Height |
|
|
|
| Width |
|
|
|
| Depth |
|
|
|
| Diameter |
|
|
|
