...Besides affording us light by night, the Moon is theprincipal cause of the ebb and flow of the tide—a phenomenon of muchimportance to navigators... 
Thomas Orchard 「The Astronomy of Milton's 'Paradise Lost'」
...At the South Pole there is no conspicuous star toindicate its position approximately—a circumstance disadvantageous toastronomers and navigators in the southern hemisphere...
Robert Stawell Ball 「The Story of the Heavens」
...We can surmise that this discovery, in all probability, first arose fromthe observations of experienced navigators...
Robert Stawell Ball 「The Story of the Heavens」
...The sextant, as used by navigators, was also invented byNewton...
Oliver Lodge 「Pioneers of Science」
...Study of the stars was valuable for navigators and for surveyors,perhaps, but such disturbing theories should not be propounded byphilosophers...
Dorothy Stimson 「The gradual acceptance of the Copernican theory of the universe」
...TheSwedish navigators, being all well acquainted with the Englishlanguage, use the British Almanac without change...
Simon Newcomb 「Side-lights on Astronomy and Kindred Fields of Popular Science」
...If their navigators donot do so but refer their longitudes to the meridian of Greenwich, thentheir almanacs must be as good as useless...
Simon Newcomb 「Side-lights on Astronomy and Kindred Fields of Popular Science」
...The earliest navigators of whom we know must have been aware that theearth was round...
Simon Newcomb 「Side-lights on Astronomy and Kindred Fields of Popular Science」
...A third and still more striking connection was also discovered by someof the ancient great navigators and philosophers—viz...
Oliver Lodge 「Pioneers of Science」
...Having two meridians to look after, the form of the American Ephemeris,to be best adapted to the wants both of navigators and astronomers wasnecessarily peculiar...
Simon Newcomb 「Side-lights on Astronomy and Kindred Fields of Popular Science」
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