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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Resultat 1-5 av 100
Side 11
... equal Distance , and if infinitely produced ( being in the fame Superficies ) will never meet , as the Lines AB and CD . Plate 1. Fig . 2 . Example . AB the Line } C is a Punct given . Through which Punct C , and parallel to the Line AB ...
... equal Distance , and if infinitely produced ( being in the fame Superficies ) will never meet , as the Lines AB and CD . Plate 1. Fig . 2 . Example . AB the Line } C is a Punct given . Through which Punct C , and parallel to the Line AB ...
Side 12
... equal to EB , it's done true ; which Point E is the middle of the Line AB , as was required . Prob . III . To erect a Perpendicular from a Punët in a given Line . Definitions . I. Nelining Lines are not of equal Diftance , and if ...
... equal to EB , it's done true ; which Point E is the middle of the Line AB , as was required . Prob . III . To erect a Perpendicular from a Punët in a given Line . Definitions . I. Nelining Lines are not of equal Diftance , and if ...
Side 13
... equal to 41 Degrees . Plate 1. Fig . 8 . 1. Take ( always ) a Chord of 60 Degrees from your Scale , and with one Foot on A draw an Arc DE , to cut the Line AB in D. 2. Make the Arc DE , equal to the Chord of 41d . that is , take 414 ...
... equal to 41 Degrees . Plate 1. Fig . 8 . 1. Take ( always ) a Chord of 60 Degrees from your Scale , and with one Foot on A draw an Arc DE , to cut the Line AB in D. 2. Make the Arc DE , equal to the Chord of 41d . that is , take 414 ...
Side 14
... equal to GF , and each equal to 51d . the half of 102d . that is , take 51d . from the fame Scale of Chords , and lay it on the Arc from E to G , and from G to F. 3. By B and F draw the Line BFD , and it's done ; for the Angle CBD is an ...
... equal to GF , and each equal to 51d . the half of 102d . that is , take 51d . from the fame Scale of Chords , and lay it on the Arc from E to G , and from G to F. 3. By B and F draw the Line BFD , and it's done ; for the Angle CBD is an ...
Side 15
... equal to AC , equal to AD , and one Foot on A , draw the Periphery BCDB , and it's done . Problem VIII . To quarter a Circle , or in a Circle to draw two Diameters at Right - angles .. Example . BCDEB the Periphery , and A the Center of ...
... equal to AC , equal to AD , and one Foot on A , draw the Periphery BCDB , and it's done . Problem VIII . To quarter a Circle , or in a Circle to draw two Diameters at Right - angles .. Example . BCDEB the Periphery , and A the Center of ...
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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.