Navigation: Practical and Theoretical |
Other editions - View all
Navigation, Practical And Theoretical Sir David Wilson Barker,William Allingham No preview available - 2023 |
Navigation, Practical and Theoretical William Allingham,Sir David Wilson Barker No preview available - 2015 |
Common terms and phrases
azimuth bearing and distance Cape centre circle sailing circle track co-lat co-mid-lat column Comp compass course cosec course and distance course steered current set dead reckoning departure deviation difference of latitude difference of longitude direction dist distance run draw due east earth equal equator find diff find the course following log account formula given gnomonic projection Hence hour angle knots latitude and longitude longitude magnetic Mercator chart Mercator's chart meridian method mid-lat middle latitude middle latitude sailing miles nautical nautical miles Navigation noon observation obtained parallel of latitude parallel sailing places plane sailing plane triangle pole port protractor radius Required the course rhumb line right-angled set and drift ship sails ship's head sides sphere spherical triangle straight line traverse table trigonometry true course true diff variation vertex vessel wind
Popular passages
Page 86 - I A body, acted on by two forces simultaneously, will describe the diagonal of a parallelogram in the same time as it would describe the sides by those forces separately.
Page 6 - The diameter of a sphere is a straight line passing through the centre, and terminated by the surface ; as A B.
Page 6 - The axis of a circle of a sphere is the diameter of the sphere which is perpendicular to the plane of the circle. The ends of the axis are called the poles of the circle.
Page 130 - Divide 3654000 by 7308, and 35410 by 311, by common logarithms. 3— Correct the courses for deviation, variation, and leeway, and find the course and distance from the given point, and the latitude and longitude in by inspection. 4. 1882, January ist, in longitude 101° 41...
Page 119 - Any two particles in the universe are such that they attract each other directly as their masses and inversely as the square of the distance between them.
Page 6 - A SPHERE is a solid bounded by a surface every point of which is equally distant from a fixed point which is called the centre of the sphere.
Page 86 - A be acted upon, at the same instant, by two forces represented in directions and velocity by the straight lines AB and AC, respectively; then, the resultant or combined effect of these forces will be represented in velocity and direction by the diagonal AD of the parallelogram having the components AB and AC as adjacent sides.
Page 7 - Longitude of a Place. — Is the smaller arc of the equator, intercepted between the prime meridian and the meridian passing through the place.