 the sailors, moreover, as they sail over the sea, when in cloudy weather they can no longer profit by the light of the Sun, or when the world is wrapped up in the darkness of the shades of night, and they are ignorant to what point of the compass their...  Compass: A Story of Exploration and Innovation - Pàgina 11per Alan Gurney - 2004 - 320 pàginesPrevisualització limitada - Sobre aquest llibre
 | Alexander Neckam - 1863 - 630 pàgines
...cloudy weather they can no longer profit by the " light of the sun, or when the world is wrapped up " in the darkness of the shades of night, and they are " ignorant to what point of the compass their ship's " course is directed, they touch the magnet with a " needle, which... | |
 | Samuel Lucas - 1864 - 362 pàgines
...in cloudy weather they can no longer profit by the light of the sun, or when the world is wrapped up in the darkness of the shades of night, and they are ignorant to what point of the compass their ship's course is directed, they touch the magnet with a needle, which (the... | |
 | Park Benjamin - 1895 - 634 pàgines
...as they sail over the sea, when in cloudy weather they can no longer profit by the light of the sun, or when the world is wrapped in the darkness of the...motion ceases; the point of it (the needle) looks to North." The paragraph from the De Utensilibus may be best considered simultaneously with the foregoing.... | |
 | Park Benjamin - 1895 - 650 pàgines
...as they sail over the sea, when in cloudy weather they can no longer profit by the light of the sun, or when the world is wrapped in the darkness of the...magnet, which is whirled round in a circle, until, THE FIRST MARINER'S COMPASS. 129 when the motion ceases; the point of it (the needle) looks to North."... | |
 | Smithsonian Institution. Board of Regents - 1896 - 1056 pàgines
...cloudy weather they can no longer profit by the light of the sun, and when the world is wrapped up in the darkness of the shades of night, and they are ignorant to what point of the compass their ship's course is directed, they touch the magnet with a needle, which is... | |
 | Timothy Augustine Lyons - 1903 - 694 pàgines
...as they sail over the sea, when in cloudy weather they can no longer profit by the light of the sun, or when the world is wrapped in the darkness of the...motion ceases, the point of it (the needle) looks to north." In the Paris Library there is an Arabian manuscript written in 1240 AD by Bailac Kipdjatie,... | |
 | L.A. BAUER - 1903 - 442 pàgines
...they sail over the sea, when in cloudy weather they can not longer profit by the light of the sun, or when the world is wrapped in the darkness of the...the horizon the prow is directed, place the needle ovei the magnet, which is whirled round in a circle, until, when the motion ceases, the point of it... | |
 | Pierre (de Maricourt) - 1904 - 78 pàgines
...in cloudy weather they can no longer profit by the light of the sun, or when the world is wrapped up in the darkness of the shades of night and they are ignorant to what point their ship's course is directed, these mariners touch the lodestone with a needle, which (the... | |
 | Manchester Literary and Philosophical Society - 1895 - 510 pàgines
...cloud}' weather they can no longer profit by the light of the sun, and when the world is wrapped up in the darkness of the shades of night, and they are ignorant to what point of the compass their ship's course is directed, they touch the magnet with a needle, which is... | |
 | Joseph Needham - 1962 - 524 pàgines
...in cloudy weather they can no longer profit by the light of the sun, or when the world is wrapped up in the darkness of the shades of night, and they are ignorant to what point of the compass their ship's course is directed, they touch the magnet with a needle. This then... | |
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