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Hasil cari dari kata atau frase: Backstaff (0.01082 detik)
Found 1 items, similar to Backstaff.
English → English (gcide)
Definition: Backstaff
Backstaff
\Back"staff`\, n.
An instrument formerly used for taking the altitude of the
heavenly bodies, but now superseded by the quadrant and
sextant; -- so called because the observer turned his back to
the body observed.
[1913 Webster]
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