A Complete Epitome of Practical Navigation, and Nautical Astronomy: Containing All Necessary Instructions for Keeping a Ship's Reckoning at Sea, Volumen1Imray, Laurie, Norie and Wilson, 1917 - 595 páginas |
Dentro del libro
Resultados 1-5 de 99
Página vii
... Bearing , and the Distance between any two Places on a Chart , etc .; Cross Bearings ; the Four - Point Bearing and Doubling the Angle on the Bow ; Vertical and Horizontal Danger Angles ; the Deviation Card and its Use , etc .; Closing ...
... Bearing , and the Distance between any two Places on a Chart , etc .; Cross Bearings ; the Four - Point Bearing and Doubling the Angle on the Bow ; Vertical and Horizontal Danger Angles ; the Deviation Card and its Use , etc .; Closing ...
Página ix
... Bearings , etc. Table for finding the Distance of an Object by Two Bearings , and the Distance Run between them Position by the Isosceles Triangle ; Doubling the Bearing ; Distance by the Altitude of a High Light seen on the Sea Horizon ...
... Bearings , etc. Table for finding the Distance of an Object by Two Bearings , and the Distance Run between them Position by the Isosceles Triangle ; Doubling the Bearing ; Distance by the Altitude of a High Light seen on the Sea Horizon ...
Página 41
... bearing in mind that these definitions appertain to a quadrant , and an arc less than a quadrant . Two arcs , the sum of which is a quad- rant , or quarter of a circle , are called com- plements of each other , thus FC is the complement ...
... bearing in mind that these definitions appertain to a quadrant , and an arc less than a quadrant . Two arcs , the sum of which is a quad- rant , or quarter of a circle , are called com- plements of each other , thus FC is the complement ...
Página 61
... bearing was taken . Ans . 2.299 miles . 5. Two landmarks are distant from a ship 1,550 yards and 975 yards , they bear respectively N. 73 ° E. and S. 30 ° E .; find the distance between the landmarks . Ans . 1,635 yards . 6. From the ...
... bearing was taken . Ans . 2.299 miles . 5. Two landmarks are distant from a ship 1,550 yards and 975 yards , they bear respectively N. 73 ° E. and S. 30 ° E .; find the distance between the landmarks . Ans . 1,635 yards . 6. From the ...
Página 86
... bearing of the base line should be found by the sun's bearing in transit across the two stations , or if a light is fixed at each end of the base , bearings can be taken frequently by stars , or the bearing may be found by azimuth and ...
... bearing of the base line should be found by the sun's bearing in transit across the two stations , or if a light is fixed at each end of the base , bearings can be taken frequently by stars , or the bearing may be found by azimuth and ...
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Otras ediciones - Ver todas
A Complete Epitome of Practical Navigation, and Nautical Astronomy ... John William Norie,J. W. Saul Sin vista previa disponible - 2018 |
A Complete Epitome of Practical Navigation, and Nautical Astronomy ... John William Norie,William Henry Rosser Sin vista previa disponible - 2018 |
A Complete Epitome of Practical Navigation, and Nautical Astronomy ... John William Norie,J W Saul Sin vista previa disponible - 2022 |
Términos y frases comunes
apparent azimuth bearing centre chart chronometer circle co-latitude Co-sec column compass course Corr correction course and distance dead reckoning decl declination departure deviation Diff difference of latitude difference of longitude direction dist distance run earth east equal equator equinoctial Example feet given Greenwich date Greenwich mean heavenly body horizon hour angle index error interval leeway logarithm magnetic course meridian altitude middle latitude miles millibars moon moon's Nautical Almanac noon Northern Hemisphere observed altitude parallax parallel parallel sailing plane plane sailing point of Aries polar distance pole port position prime vertical refraction required the latitude right angles right ascension sailing set and drift sextant ship ship's head side sidereal star subtract tide Traverse Table triangle true altitude true course variation vernier vertical wind zenith distance ΙΟ
Pasajes populares
Página 223 - January 31, February 28, March 31, April 30, May 31, June 30, July 31, August 31, September 30, October 31, November 30, December 31.
Página 37 - The square described on the hypothenuse of a right-angled triangle is equivalent to the sum of the squares described on the other two sides.
Página 221 - Ascension, and the interval between the departure of any meridian from the mean Sun and its succeeding return to it is the duration of the mean solar day. Clocks and chronometers are adjusted to mean solar time ; so that a complete revolution (through 24 hours) of the hour hand of...
Página 26 - The circumference of a circle is divided into 360 equal parts, called degrees; each degree into 60 minutes ; each minute into 60 seconds.
Página 199 - The Ram, the Bull, the heavenly Twins, And next the Crab the Lion shines, The Virgin and the Scales ; The Scorpion, Archer, and He-goat, The Man that holds the watering-pot, And Fish with glittering tails.
Página 21 - DIVISION BY LOGARITHMS. RULE. From the logarithm of the dividend subtract the logarithm of the divisor, and the number answering to the remainder will be the quotient required.
Página 73 - The shortest DISTANCE between two points on the surface of a sphere is the arc of a great circle passing through those points.
Página 36 - Jf a straight line fall upon two parallel straight lines, it makes the alternate angles equal to one another ; and the exterior angle equal to the interior and opposite upon the same side ; and likewise the two interior angles upon the same side together equal to two right angles.
Página 161 - The relative effects of these two bodies on the oceanic waters are directly as their mass, and inversely as the square of their distance...
Página 36 - IF a straight line falling upon two other straight lines makes the exterior angle equal to the interior and opposite upon the same side of the line ; or makes the interior angles upon the same side together equal to two right angles ; the two straight lines shall be parallel to one another.