Assertion: sextant's accuracy | /r/CapableOf | vary on ship
Facets:
Source sentences:
text: On a ship, the accuracy of angles measured with a sextant varies according to the training of the observer; it ranges from several tenths to one minute of arc.
text: On a ship, the accuracy of angles measured with a sextant varies according to the training of the observer; it ranges from several tenths to one minute of arc.