Self-instruction in the Practice and Theory of Navigation, Volumen2Macmillan and Company, Limited, 1900 |
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Página 195
... Pole . The Positive Pole and the Magnetism appertaining to it is designated by the colour Blue ; the Negative Pole and its Magnetism by the colour Red . The North Pole of the Globe is its Positive Pole , and the South Pole is its Negative ...
... Pole . The Positive Pole and the Magnetism appertaining to it is designated by the colour Blue ; the Negative Pole and its Magnetism by the colour Red . The North Pole of the Globe is its Positive Pole , and the South Pole is its Negative ...
Página 196
... Blue , and its Negative or Red , Poles . One property of Magnets is that their Poles attract or repel each other unlike attract , and like repel . Therefore the Positive or Blue Pole of one Magnet attracts the Negative or Red Pole and ...
... Blue , and its Negative or Red , Poles . One property of Magnets is that their Poles attract or repel each other unlike attract , and like repel . Therefore the Positive or Blue Pole of one Magnet attracts the Negative or Red Pole and ...
Página 197
... Pole that points to the North . The North - seeking Pole of the Needle does not point due North ; it points to the ... Blue Pole of the Globe exercises upon the Red Pole of the Needle may be considered a composite force ; and for ...
... Pole that points to the North . The North - seeking Pole of the Needle does not point due North ; it points to the ... Blue Pole of the Globe exercises upon the Red Pole of the Needle may be considered a composite force ; and for ...
Página 199
... Blue Pole of the Globe becomes a Red Pole ; it acquires COMPENSATION FOR DEVIATION 199 SUB-PERMANENT MAGNETISM OF A SHIP DETERMINED BY POSITION WHEN BUILDING AND PLACE WHERE BUILT 199-210.
... Blue Pole of the Globe becomes a Red Pole ; it acquires COMPENSATION FOR DEVIATION 199 SUB-PERMANENT MAGNETISM OF A SHIP DETERMINED BY POSITION WHEN BUILDING AND PLACE WHERE BUILT 199-210.
Página 200
... Blue Pole . If she is built Head South , the fore part , which faces the Red Pole of the Globe , acquires Blue Magnetism , and the after part acquires Red Magnetism . If a Ship is built Head East or West , the side towards the North ...
... Blue Pole . If she is built Head South , the fore part , which faces the Red Pole of the Globe , acquires Blue Magnetism , and the after part acquires Red Magnetism . If a Ship is built Head East or West , the side towards the North ...
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Términos y frases comunes
amount of Heel Answer athwartship beams Blue Pole built Head centre Chron Coefficient Colat Colatitude Compass Needle Correct Magnetic Cosec Course cyclone December 17 diagram Diff Difference of Latitude Dist Distance Double Altitude Dumb Card East Easterly Deviation Equal Altitudes Equation Error on M. T. G. feet fore-and-aft Greenwich date Head when building Heeling Error Height of Eye Horizontal Hour Angle Induced Magnetism Long Mean Sun Meridian Meridian Altitude miles Moon's Napier's Circular Nautical Almanac Noon North-seeking end P.M. at Ship Parallax Parallel Sailing Point of Aries Quadrantal points Red Pole Required the Latitude right angles Right Ascension Sandy Hook semi-circle sextant Ship's Head side Sidereal soft iron spherical triangle Star Starboard Sub-permanent Magnetism Sun's Suppose Table tack True Bearing V₁ Variation Vers Versine Vertex Vertical West Westerly wind
Pasajes populares
Página 257 - Wind velocity 0 1 2 3 4 5 6 7 8 9 10 11 12 calm light air light breeze gentle breeze moderate breeze fresh breeze strong breeze moderate gale fresh gale strong gale whole gale storm hurricane...
Página 263 - ... 4. What are the usual indications of a ship being on the line of progression of the centre of a cyclone ? 5. What are the usual indications that a ship is (a) approaching the centre of a cyclone ; (6) receding from it ? 6.
Página 263 - The direction of the wind in a cyclone being , state the probable bearing of its centre from the ship in the Hemisphere. 2. And suppose that the wind during the passage of the same cyclone were found to change...
Página 269 - ... cos a = cos b cos с + sin b sin с cos A ; (2) cos b = cos a cos с + sin a sin с cos в ; ^ A. (3) cos с = cos a cos b + sin a sin b cos C.
Página 178 - The sine of the middle part equals the product of the tangents of the adjacent parts. (2) The sine of the middle part equals the product of the cosines of the opposite parts.
Página 263 - Cyclone being* , state the probable bearing of its centre from the ship in the * Hemisphere. 2. And suppose that the wind during the passage of the same cyclone were found to change toward the...
Página 311 - E. : required the deviation of the compass for the position of the ship's head when the observation was taken. 9. 1881, May 27th, AM at ship, latitude 55° N., observed altitude sun's LL 43° 9...
Página 265 - Under what conditions would the change in the direction of the wind in the cyclone be the reverse of the above ? 4.
Página 49 - N. latitudes against the course of the sun, that is to say, from right to left, or in a direction contrary to the movement of the hands of a watch, and in S.
Página 257 - ... in the air. If the air is saturated with moisture, there will be little or no difference in the readings of the two thermometers, because there will be little or no evaporation.