An instrument formerly used at sea for taking the altitudes of heavenly bodies, now superseded by the sextant; -- called also cross-staff.
An instrument formerly used at sea for taking the altitudes of heavenly bodies, now superseded by the sextant; -- called also
n.
An instrument formerly used at sea for taking the
altitudes of heavenly bodies, now superseded by the sextant; -- called
also cross-staff.
Forestaff
An instrument formerly used at sea for taking the altitudes of heavenly bodies, now superseded by the sextant; -- called also
Usage Examples
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