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Geography Categories
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| Definition Of: |
alidade
Instrument, or part of an instrument , for determining direction , either horizontal or vertical . In its simplest form, a peepsight or telescope mounted on a straightedge and used for plotting directions graphically. In such instruments as transits and theodolites, the alidade is the part containing the telescope and its attachments.
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Dictionary of Cartography INDEX:
List of Terms: Terms beginning with "A", Page 1 |
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Page Number:
1 A: Page 1 of 1.
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