 | Neil Arnott - Physics - 1827 - 692 pages
...rises more than ten feet above the ordinary level, which, with the ten feet that its surface afterwards descends below this, gives twenty feet for the whole height, from the bottom of any water-valley to the summit. This proposition is easily proved by trying the height upon a ship's mast at which the... | |
 | Naval art and science - 1835 - 904 pages
...liigher than ten feet above the ordinary level, which, with the ten feet that its surface afterwards descends below this, gives twenty feet for the whole height, from the bottom of any water valley to its summit."* Upon what data this positive assertion has been drawn, does not appear;... | |
 | 1832 - 548 pages
...feet above the orninary level, which, with the ten feet that its surface afterwards descends belo'» this, gives twenty feet for the whole height, from the bottom of any water-valiey to the summit. This proposition is easily proved, by trying the height upon a ship's ma«t... | |
 | Anthologies - 1834 - 506 pages
...rises more than ten feet above the ordinary level, which, with the ten feet that its surface afterwards descends below this, gives twenty feet for the whole height, from the bottom of any water-valley to the summit. This proposition is easily proved, by trying the height upon a ship's mast at which the... | |
 | 1835 - 522 pages
...rises more than ten feet above the ordinary level, which, with the ten feet that its surface afterwards descends below this, gives twenty feet for the whole height, from the bottom of any water valley to the summit. This proposition is easily proved, by trying the height upon a ship's mast,... | |
 | Neil Arnott - Physics - 1838 - 596 pages
...ordinary sea-level, which, with the ten feet that the surface afterwards descends below this, give twenty feet for the whole height, from the bottom of any water-valley to an adjoining summit. This is easily verified by a person who tries at what height on a ship's mast the horizon remains always... | |
 | 1840 - 494 pages
...the ordinary sea-level, which, with the ten feet that its surface afterward descends below this, give twenty feet for the whole height, from the bottom...easily verified by a person who tries at what height, upon a ship's mast, the horizon remains always in sight over the top of the waves, allowance being... | |
 | 1840 - 320 pages
...rises more than ten feet above the ordinary level, which, with the ten feet that its surface afterwards descends below this, gives twenty feet for the whole height, from the bottom of any water-valley to the summit. This proposition is easily proved, by trying the height upon a ship's mast at which the... | |
 | Science - 1841 - 444 pages
...ordinary sea-level, which, with the ten feet that the surface afterwards descends below this, give twenty feet for the whole height, from the bottom of any water-valley to an adjoining summit. This is easily verified by a person who tries at what height on a ship's mast the horizon remains always... | |
 | Meteorology - 1842 - 886 pages
...more than ten feet above the ordinary sea level, which, with the ten feet that its surface afterwards descends below this, gives twenty feet for the whole height, from the bottom of any water valley to an adjoining summit." This estimate is probably correct, though other writers have... | |
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No wave rises more than ten feet above the ordinary level, which, with the ten feet that its surface afterwards descends below this, gives twenty feet for the whole height, from the bottom of any water-valley to the summit. 
