Epitome of the Art of Navigation; Or, a Short, Easy, and Methodical Way to Become a Compleat Navigator: Containing, Practical Geometry, Plane and Spheric, Superficial and Solid; with Its Uses in All Kinds of Mensuration ...J. Mount and T. Page, 1765 - 447 sider |
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Side 6
... Dominical - Letter , Eafter - Day , the Moon's - Age , South- ing , and Time of Full - Sea , or High - Water , In 9 Prob . Then proceeding to the Defcription and Ufe of the Plane- Chart , in 5 Problems , before I come to the Cafes of ...
... Dominical - Letter , Eafter - Day , the Moon's - Age , South- ing , and Time of Full - Sea , or High - Water , In 9 Prob . Then proceeding to the Defcription and Ufe of the Plane- Chart , in 5 Problems , before I come to the Cafes of ...
Side 48
... Dominical Letters , and Leap - Years expire , and the 29th Year the Circle begins again ; which Number affifts in finding the Dominical Letter for any Year , paft , prefent , or to come . 3. Roman Indiction confifteth of 15. Years ; for ...
... Dominical Letters , and Leap - Years expire , and the 29th Year the Circle begins again ; which Number affifts in finding the Dominical Letter for any Year , paft , prefent , or to come . 3. Roman Indiction confifteth of 15. Years ; for ...
Side 50
... Dominical Letter until the Year 1799 inclufive . Definition 1. The Week Days in Calenders , or Almanacks , are exprefled by the firft feven Letters of the Alphabet ; the Letter A , conftantly anfwering to the firft Day in the Year ; that ...
... Dominical Letter until the Year 1799 inclufive . Definition 1. The Week Days in Calenders , or Almanacks , are exprefled by the firft feven Letters of the Alphabet ; the Letter A , conftantly anfwering to the firft Day in the Year ; that ...
Side 51
... Letter's given , Note , 1. When it's Leap - Year , there are two Dominical Let- ter's , one serves to the clofe of February , the other from thence to the Year's - end ; ' tis the latter that this Rule finds . 2. The Dominical Letter ...
... Letter's given , Note , 1. When it's Leap - Year , there are two Dominical Let- ter's , one serves to the clofe of February , the other from thence to the Year's - end ; ' tis the latter that this Rule finds . 2. The Dominical Letter ...
Side 52
... Dominical Letter by Problem 4 . 2. And Eafter Limit by the laft Problem . 3. The Letter more by 4 , from Limit take : What's left from neareft Sevens fhall Eafter make . Example . For the Year 1757 , I demand Eafter - Day . The ...
... Dominical Letter by Problem 4 . 2. And Eafter Limit by the laft Problem . 3. The Letter more by 4 , from Limit take : What's left from neareft Sevens fhall Eafter make . Example . For the Year 1757 , I demand Eafter - Day . The ...
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Epitome of the Art of Navigation, Or a Short, Easy, and Methodical Way to ... James Atkinson Ingen forhåndsvisning tilgjengelig - 2017 |
Epitome of the Art of Navigation, Or a Short, Easy, and Methodical Way to ... James Atkinson Ingen forhåndsvisning tilgjengelig - 2017 |
Vanlige uttrykk og setninger
adjacent Angle alfo Anfw Angle ACB Angle BAC Axiom Azimuth Bafe Barbadoes Brafs Meridian Cafe Center Compafs Courfe Courſe Departure Diameter Diff Difference of Latitude Difference of Longitude Diſtance Dominical Letter draw Eaft Eafterly Ecliptic Epact equal Equator Equinoctial Example faid fame fecond Feet fhew fheweth firft Foot fubtract given Angle Globe half hath Horizon Hour Hypotenufe AC Ifland Inches Interfection laft Leag Leagues lefs Leg BC Line Lizard Logarithm Longitude the Ship meaſured Merid neareſt North Number Obfervation Oblique Circle Oblique Triangle Obtufe Parallel Perpendicular Plane Plane-Sailing Plate Points Pole Primitive Circle Prob Problem Proportion Punct Quadrant of Altitude Radius Remainder Right Circle Rule Rumb Ship fails Ship's Side AC Side CD Sine Complement Sine Tangent Secant Solid Content South Latitude Spheric Geometry Spheric Triangle Spheric Trigonometry Sun's Altitude Sun's Declination Sun's Place thefe theſe thofe Weft Wefterly whofe
Populære avsnitt
Side 132 - America, but know that we are alive, that two and two make four, and that the sum of any two sides of a triangle is greater than the third side.
Side 229 - ... or taking their difference when of contrary names ; the altitude to be reckoned from the south point of the horizon, when the latitude is north, and the contrary when south ; but when the sum exceeds 90°, it is to be taken from 180°, F and reckoned from the opposite point of the horizon, that is, from the north in north latitude, and from the south in south latitude.
Side 49 - Leap-year, or bissextile, Is every fourth year, and so called from its leaping a day more that year than in a common year ; so that the common year hath three hundred and sixty-five days...
Side 123 - We infer from this that a triangle can be constructed with three given lines as sides, when the sum of any two sides is greater than the third side.
Side 58 - The complement of an arc, or angle less than 90°, is what that angle wants of a quadrant, or 90°.
Side 165 - AZIMCTR circles, called azimuths, or vertical circles, are great circles of the sphere, intersecting each other in the zenith and nadir, and cutting the horizon at right angles in all the points thereof.
Side 224 - ... as the radius is to the tangent of the latitude ; so is the tangent of the sun's declination to the sine of the ascensional difference sought. This, converted into time, shows how much he rises...
Side 46 - BD, is to their Difference ; fo is the Tangent of half the Sum of the Angles BDC and BCD, to the Tangent of half their Difference.
Side 217 - ... which from the right ascension, when the sun is in the northern signs, and adding it, when the sun is in the southern ones, you will find the oblique ascension.
Side 297 - Canon, is a table showing the length of the sine, tangent, and secant, to every degree and minute of the quadrant, with respect to the radius, which is expressed by unity or 1, with any number of ciphers.