reflecting instrument (Q7307234)
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17th–18th century instrument using mirrors for celestial navigation, esp. to solve the problem of the longitude
Language | Label | Description | Also known as |
---|---|---|---|
English | reflecting instrument |
17th–18th century instrument using mirrors for celestial navigation, esp. to solve the problem of the longitude |
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Wikipedia(2 entries)
- elwiki Δικάτοπτρο
- enwiki Reflecting instrument