The New Practical Navigator: Being a Complete Epitome of Navigation: to which are Added, All the Tables Requisite for Determining the Latitude and Longitude at Sea: Containing the Different Kinds of Sailing, and Necessary Corrections for Lee-way, Variation, &c. Exemplified in a Journal at Sea ... The Whole Illustrated with Engravings ... |
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Common terms and phrases
anchor angle apparent altitude arch azimuth Bearing and Distance brace cable Cape centre Co-secant Co-sine Co-tang column compass correction dead reckoning degrees diff difference of latitude difference of longitude Dist east Epact EXAMPLE fathoms find the difference fore Funchal given Greenwich guns half halyards haul heave helm high-water hm hm hm horizon hypotenuse latitude and departure latitude by account latitude by observation leeway log-board logarithm mast Mercator's Sailing meridian meridian altitude meridional difference miles minutes mizen moon moon's noon parallax parallel Plane Sailing radius reckoning remainder right ascension right line rope Secant sextant ship shore side sine star stay-sail steer subtract sun's declination Suppose tack Tangent tide top-mast top-sail Traverse Table true altitude true amplitude variation weather westerly wind yards zenith distance
Popular passages
Page 235 - Adrift, the state of a ship or vessel broke loose from her moorings, and driven without control, at the mercy of the wind, sea, or current.
Page 23 - ADD the logarithms of the SECOND and THIRD terms, and .from the sum SUBTRACT the logarithm of the FIRST term.
Page 139 - The next item is $3,600 to provide for the changing of two stack elevators, one on the east and one on the west side of the building.
Page 107 - These contrary winds do not shift from one point to its opposite all at once ; in some places the time of the change is attended with calms, in others by variable winds ; and it often happens on the...
Page 6 - EXAMPLE. If the diameter of a circle be 7 inches, and the circumference 22, what is the circumference of another circle, the diameter of which is 14 inches ? Extend from 7 to 22, that extent will reach from 14 to 44 the same way.
Page vii - In a right triangle, the side opposite the right angle is called the hypotenuse, and the other two sides the legs.
Page 292 - FRANKINCENSE, is to be thrown gently into the Fundament, with a proper Instrument, or the Bowl of a Pipe covered, so as to defend the Mouth of tlie Assistant.
Page 4 - I tenth part ; and the next 2, 2 tenth parts; and 10 at the end will be but one whole number or integer. As the figures are increased or diminished in their value, so in like manner must all the intermediate strokes or subdivisions be increased or diminished ; that is, if the first...
Page 249 - Man the yards. — Is placing men on the yards, in the tops, on the ladder, &c., to execute any necessary duty. Mind the service. — Put on more service. Messenger. — A small kind of cable, which being brought to the capstan, and the cable by which the ship rides made fast to it, it purchases the anchor. To Miss stays.
Page 251 - To elevate any distant object at sea by approaching it ; thus, to raiie the land is used in opposition to lay the land. To Rake. To cannonade a ship at the stern or head, so that the balls scour the whole length of the decks. Range of Cable. A sufficient length of cable drawn upon deck before the anchor is cast loose, to admit of its sinking to the bottom without any check.