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Object number
W-165
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Classification
Surveying
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Object name
Navigational Instrument
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Title
Alidade
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Description
Wooden case missing short sides. Green felt lined. One of two brass latch hooks missing. Oxidized brass folding sight vanes. Two sets of slit and window sights and a pin-hole sight opposite around window sight. Two crossed bubble levels of oxidized brass.
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Inscription/Sig.
"C. F. CASELLA & CO. LTD. / LONDON."
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Material
brass, oxidized brass, wood, felt
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Place Of Prod.
England
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Dimensions
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Imperial(in) |
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Metric(cm) |
| Height |
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12 |
| Width |
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45.7 |
| Depth |
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|
4.5 |
| Diameter |
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| Circumference |
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|
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Frame
|
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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