A System of Practical Mathematics: ... With a Plain Account of the Gregorian Or New Style ... By John Potterauthor, 1753 - 395 Seiten |
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Seite 294
... Motions in their feveral Orbs , and in which the Sun and Planets , as well as the fixed Stars , appear to move round the Earth in twenty - four Hours ; this laft being only an apparent Motion , fince it is occafioned by the Rotation of ...
... Motions in their feveral Orbs , and in which the Sun and Planets , as well as the fixed Stars , appear to move round the Earth in twenty - four Hours ; this laft being only an apparent Motion , fince it is occafioned by the Rotation of ...
Seite 295
... Motion of the Earth being made on this Line , like the Rotation of a Wheel on its Axis . 7. The Equinox , or Equinoctial Circle , is a Circle which divides the Heavens into two equal Parts , at 90 ° Distance from the Poles of the World ...
... Motion of the Earth being made on this Line , like the Rotation of a Wheel on its Axis . 7. The Equinox , or Equinoctial Circle , is a Circle which divides the Heavens into two equal Parts , at 90 ° Distance from the Poles of the World ...
Seite 296
... Motion of the Sun never deviates . 9. The Hour - Circles are Meridians drawn thro ' the Poles of the World and every fifteenth Degree of the Equinoctial , of which the Meridian of the Place is the Hour - Line of twelve of the Clock . 10 ...
... Motion of the Sun never deviates . 9. The Hour - Circles are Meridians drawn thro ' the Poles of the World and every fifteenth Degree of the Equinoctial , of which the Meridian of the Place is the Hour - Line of twelve of the Clock . 10 ...
Seite 304
... Motion of the Earth , which moves round the Sun in an Ellipfis , in one of whofe Foci the Sun is placed ; and , from the Laws of Gravity , the Velocity of the Earth is continually changing in its Orb , by which the Earth moves thro ...
... Motion of the Earth , which moves round the Sun in an Ellipfis , in one of whofe Foci the Sun is placed ; and , from the Laws of Gravity , the Velocity of the Earth is continually changing in its Orb , by which the Earth moves thro ...
Seite 329
... Motion , the Planets , in their feveral Orbs , have a Motion from Weft to Eaft , carrying them thro ' the Heavens in different Periods , But , as the Phænomena of the Planets , according to aftro- nomical Obfervations , cannot be folved ...
... Motion , the Planets , in their feveral Orbs , have a Motion from Weft to Eaft , carrying them thro ' the Heavens in different Periods , But , as the Phænomena of the Planets , according to aftro- nomical Obfervations , cannot be folved ...
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A System of Practical Mathematics: ... with a Plain Account of the Gregorian ... JOHN. POTTER Keine Leseprobe verfügbar - 2018 |
Häufige Begriffe und Wortgruppen
9 Inches Afcenfion Angle Anſwer Arch Article Bafe A B Baſe Cafe Center Circumference Co-fine Co-tangent Compaffes confifts Conftruction Cube Root Cyphers Decimal Fractions Diameter Diſtance divided by 12 Dividend Divifion Divifor draw Ecliptic equal Exam Example Extreme disjunct fame Manner fecond Feet fet one Foot feven fhall Figure laft placed fimple Fraction find the Area firft firſt folid Content fquare Fruftum ftands fubtract fupplemental Multiplicand given Number Half Height Hypothenufe improper Fraction Inches Integers interfect Latitude lefs Line of Chords Logarithm meaſured by Prob Meridian mixed Number multiplied muſt obferve oblique Circle oblique-angled oppofite Perpendicular BC Pleaſure Pole Pound Pound Sterling Prime Vertical primitive Circle Product Pyramid Quotient Radius reduced Refolvend Remainder right Circle right-angled Triangle Rule Side A B Sine Square Root Subtrahend Sun's Tangent thefe theſe third thofe thro Triangle ABC ufually Vulgar Fractions Weft whofe whole Numbers
Beliebte Passagen
Seite 6 - Multiply all the numerators together for a new numerator, and all the denominators for a new denominator: then reduce the new fraction to its lowest terms.
Seite 30 - Reduce compound fractions to simple ones, and mixt numbers to improper fractions ; then multiply the numerators together for a new numerator, and the denominators for. a new denominator.
Seite 224 - As the base or sum of the segments Is to the sum of the other two sides, So is the difference of those sides To the difference of the segments of the base.
Seite 147 - FRUSTUM, in mathematics ; a part of some solid body separated from the rest. The frustum of a cone is the part that remains, when the top is cut oft by a plane parallel to the base, and is otherwise called a truncated cone.
Seite 361 - ... years, amounts to a whole day. By which the Vernal Equinox was anticipated ten days, from the time of the general council of Nice, held in...
Seite 230 - When you have proved that the three angles of every triangle are equal to two right angles...
Seite 361 - October, in 1582, to make the equinox fall on the twenty-first of March, as it did at the time of that council ; and to prevent the like variation for the future, he ordered that three days should be abated in every four hundred years by reducing the leap year at the close of each century for three successive centuries to common years, and retaining the leap year at the close of each fourth century only. This was at that time esteemed...
Seite 147 - Multiply the diameters of the two bases together, and to the product add one third of the square of the difference of the diameters : then multiplying this sum by 7854...
Seite 134 - Dimensions of any of the parts nf a Circle being given, to find the side of a square equal to the Circle. RULE. If the area of the circle be given, extract the square root of the area, which will be the side of a square equal to the circle : If the diameter or circumference be given, find the area by Art.
Seite 132 - To find the area of a Circle. ' RULE. Multiply half the diameter by half the circumference, and the product is the area...