The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this Art. With a New Set of Accurate Mathematical TablesA. S. Barnes, 1839 - 412 páginas |
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Página 9
... divided by 4 . 2 : 34 : 6 , shows that 2 is to 3 as 4 is to 6 . 6 + 4 = 10 , shows that the sum of 6 and 4 is equal to 10 . ✓3 , or 31 , denotes the square root of the number 3 . / 5 , or 5 * , denotes the cube root of the number 5 . 7 ...
... divided by 4 . 2 : 34 : 6 , shows that 2 is to 3 as 4 is to 6 . 6 + 4 = 10 , shows that the sum of 6 and 4 is equal to 10 . ✓3 , or 31 , denotes the square root of the number 3 . / 5 , or 5 * , denotes the cube root of the number 5 . 7 ...
Página 11
... If we suppose unity or any one thing to be divided into any assigned number of equal parts , this number is called the de- nominator ; and if we choose to take any number 1 * Bect PART Decimal Fractions Involution and Evolu-
... If we suppose unity or any one thing to be divided into any assigned number of equal parts , this number is called the de- nominator ; and if we choose to take any number 1 * Bect PART Decimal Fractions Involution and Evolu-
Página 12
... divided ; and the three and the five are the numerators , showing how many of those parts are under consideration . Fractions are expressed in two forms , that is , either vulgarly or decimally . All fractions whose denominators do not ...
... divided ; and the three and the five are the numerators , showing how many of those parts are under consideration . Fractions are expressed in two forms , that is , either vulgarly or decimally . All fractions whose denominators do not ...
Página 18
... divided by 4 , the quotient is the answer required . Reduce to a decimal fraction . Answer .4 Reduce Reduce Reduce Reduce .48 .1146789 .7777+ .9130434+ Reduce ,,,, and so on to , to their corresponding decimal fractions ; and in this ...
... divided by 4 , the quotient is the answer required . Reduce to a decimal fraction . Answer .4 Reduce Reduce Reduce Reduce .48 .1146789 .7777+ .9130434+ Reduce ,,,, and so on to , to their corresponding decimal fractions ; and in this ...
Página 23
... divided thus , 4'17.24 / 50 : 41.66666 , & c . thus , 41'.66'66'66 : and .567 thus , 56/70 , & c . See the Editor's " Elementary Treatise on Arithmetic , in Theory and Practice , " page 219.—Ed. 1 of the first period , or of the ...
... divided thus , 4'17.24 / 50 : 41.66666 , & c . thus , 41'.66'66'66 : and .567 thus , 56/70 , & c . See the Editor's " Elementary Treatise on Arithmetic , in Theory and Practice , " page 219.—Ed. 1 of the first period , or of the ...
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Términos y frases comunes
ABCD acres altitude arch base bearing blank line centre chains and links circle circumferentor column compasses contained Cosine Sine cube root decimal diagonal diameter difference of latitude divided divisions divisor draw east ecliptic edge EXAMPLE feet field-book figure four-pole chains geometrical series given angle given number half the sum height Hence horizon glass hypothenuse inches instrument length logarithm manner measure meridian distance multiplied needle nonius number of degrees object observed opposite parallelogram perches perpendicular plane prob PROBLEM proportion protractor quadrant quotient radius rhombus right angles right line scale of equal screw secant sect sector semicircle side Sine Cotang square root station stationary distance subtract suppose survey taken Tang tangent theo theodolite THEOREM trapezium triangle ABC trigonometry two-pole chains vane vulgar fraction whence
Pasajes populares
Página 49 - The angle in a semicircle is a right angle ; the angle in a segment greater than a semicircle is less than a right angle ; and the angle in a segment less than a semicircle is greater than a right angle.
Página 41 - 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, &c.
Página 41 - The radius of a circle is a right line drawn from the centre to the circumference.
Página 45 - A lemma is something which is premised, or demonstrated, in order to render what follows more easy. A corollary is a consequent truth derived immediately from some preceding truth or demonstration.
Página 35 - DIVISION BY LOGARITHMS. RULE. From the logarithm of the dividend subtract the logarithm of the divisor, and the number answering to the remainder will be the quotient required.
Página 21 - Then multiply the second and third terms together, and divide the product by the first term: the quotient will be the fourth term, or answer.