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bn:00058605n
Noun Concept
SYL
No term available
EN
A measuring instrument for measuring angles to a celestial body; similar to a sextant but with 45 degree calibration WordNet 3.0
English:
instrument
Relations
Sources
IS A
EN
measuring instrument
EN
navigational instrument
EN
reflecting instrument
EN
astronomical instrument
HAS PART
EN
limb
DESCRIBED BY SOURCE
EN
Brockhaus and Efron Encyclopedic Dictionary
DISCOVERER OR INVENTOR
John Hadley
Thomas Godfrey
REPLACED BY
EN
sextant
REPLACES
EN
astrolabe

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