Instructions Given in the Drawing School Established by the Dublin Society: Course of mathematicks. System of the physical world. System of the moral world. Plan of the military art. Plan of the marcantile arts. Plan of naval art. Plan of mechanic arts. The elements of EuclidA. M'Culloch, 1769 |
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Σελίδα cxii
... Base , and the Perpendicular let fall from the common Section of the Circle and the Side of the Angle just men- tioned , will exprefs the Inclination for the proposed Time . From hence is deduced the Moon's Latitude corrected ; for in a ...
... Base , and the Perpendicular let fall from the common Section of the Circle and the Side of the Angle just men- tioned , will exprefs the Inclination for the proposed Time . From hence is deduced the Moon's Latitude corrected ; for in a ...
Σελίδα cxiv
... Base , an Angle is made equal to double of the annual Argument , or of double the Distance of the Sun from the mean Place of the Moon once corrected , as has been already directed . The Length of the Side of this Angle is after- wards ...
... Base , an Angle is made equal to double of the annual Argument , or of double the Distance of the Sun from the mean Place of the Moon once corrected , as has been already directed . The Length of the Side of this Angle is after- wards ...
Σελίδα cxxxviii
... Base , between which is erected a Stem which carries a Beam of a Balance . This Machine is very commodious in feveral Operations which regard the Weight or Equilibrium of Fluids . A fmall Bottle with a Glafs Stopper , and heavier in ...
... Base , between which is erected a Stem which carries a Beam of a Balance . This Machine is very commodious in feveral Operations which regard the Weight or Equilibrium of Fluids . A fmall Bottle with a Glafs Stopper , and heavier in ...
Σελίδα cxli
... Base , to which a Scale is adapted . 2d . Six fmall gage Tubes , ments for afcertaining for compreffed and rarified Air . the Degree Thefe Gage Inftruments are more commodious for Uje than any hitherto of Compref- made , and it is well ...
... Base , to which a Scale is adapted . 2d . Six fmall gage Tubes , ments for afcertaining for compreffed and rarified Air . the Degree Thefe Gage Inftruments are more commodious for Uje than any hitherto of Compref- made , and it is well ...
Σελίδα 16
... base EF . 5. And confequently , the whole base BC coincides with the whole base EF ; for if the bafe BC did not coincide with the base EF , though the extremities B and C of the base BC , coincide with the extremities E and F of the base ...
... base EF . 5. And confequently , the whole base BC coincides with the whole base EF ; for if the bafe BC did not coincide with the base EF , though the extremities B and C of the base BC , coincide with the extremities E and F of the base ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD alfo alſo arch bafe baſe becauſe Bodies Cafe circle Cofine Comet cone Confequently cylinder defcribed demonftrated DEMONSTRATION diameter difcovered Diſtance draw the ftraight Earth ECAUSE Ecliptic equal Equator equiangular equimultiples fame altitude fame manner fame multiple fame plane fame ratio fecond fegment fhall fhewing fhould fimilar fince firft firſt folid fome Force fphere fquare ftraight lines AC fuch fuppofed given Gravity greateſt heliocentric Hypothefis impoffible interfect Jupiter leaft lefs Likewife line A B magnitude Meaſure Moon moſt Motion Newton Nodes Number Obfervations oppofite Orbit paffes pafs parallelepiped parallelogram Perihelion plle Prep prifm proportional PROPOSITION pyramid Rays rectilineal figure Revolution Rgle right angles Saturn Syfigies Syftem Tangent thefe Thefis THEOREM theſe thofe thoſe thro Tides tion triangle true Anomaly Vafe Wherefore whofe
Δημοφιλή αποσπάσματα
Σελίδα 8 - Let it be granted that a straight line may be drawn from any one point to any other point.
Σελίδα 4 - A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another.
Σελίδα 164 - When of the equimultiples of four magnitudes (taken as in the fifth definition), the multiple of the first is greater than that of the second, but the multiple of the third is not greater than the multiple of the fourth ; then the first is said to have to the second a greater ratio than the third magnitude has to the fourth : and, on the contrary, the third is said to have to the fourth a less ratio than the first has to the second. VIII. " Analogy, or proportion, is the similitude of ratios.
Σελίδα 165 - When four magnitudes are continual proportionals, the first is said to have to the fourth the triplicate ratio of that which it has to the second, and so on, quadruplicate, &c., increasing the denomination still by unity, in any number of proportionals.
Σελίδα 241 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, etc.
Σελίδα xxviii - ... bodies that are within the sphere of their activity, and consequently, that not only the sun and moon have .an influence upon the body and motion of the earth, and the earth upon them, but that...
Σελίδα 165 - When three magnitudes are proportionals, the first is said to have to the third the duplicate ratio of that which it has to the second.
Σελίδα 226 - Equiangular parallelograms have to one another the ratio which is compounded of the ratios of their sides.
Σελίδα xiv - Oh! qui m'arrêtera sous vos sombres asiles? Quand pourront les neuf Sœurs, loin des cours et des villes, M'occuper tout entier, et m'apprendre des deux Les divers mouvements inconnus à nos yeux, Les noms et les vertus de ces clartés errantes Par qui sont nos destins et nos mœurs différentes.
Σελίδα xxviii - Now what these several degrees are I have not yet experimentally verified; but it is a notion which, if fully prosecuted, as it ought to be, will mightily assist the astronomers to reduce all the celestial motions to a certain rule, which I doubt will never be done true without it.