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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... rules : - Members shall be entitled to take from the Library one folio , or two quarto volumes , or four volumes of any lesser fold , with the plates belonging to the same , upon having them recorded by the Librarian , or Assistant ...
... rules : - Members shall be entitled to take from the Library one folio , or two quarto volumes , or four volumes of any lesser fold , with the plates belonging to the same , upon having them recorded by the Librarian , or Assistant ...
Página 14
... rule of addition ; then , beginning at the right - hand , subtract as in whole numbers , and place the decimal point in the difference exactly under the other two points . EXAMPLES . From 38.765 take 25.3741 25.3741 Difference = 13.3909 ...
... rule of addition ; then , beginning at the right - hand , subtract as in whole numbers , and place the decimal point in the difference exactly under the other two points . EXAMPLES . From 38.765 take 25.3741 25.3741 Difference = 13.3909 ...
Página 17
... rule , four ciphers are annexed to the dividend , which , in this condition , is yet less than the divisor . A cipher must then be put in the quotient in the place of integers , and other ciphers annexed to the dividend ; and the ...
... rule , four ciphers are annexed to the dividend , which , in this condition , is yet less than the divisor . A cipher must then be put in the quotient in the place of integers , and other ciphers annexed to the dividend ; and the ...
Página 18
... RULE I. To reduce a Vulgar Fraction to a Decimal of the same value . Having annexed a sufficient number of ciphers , as decimals , to the numerator of the vulgar fractions , divide by the denomi- nator ; and the quotient thence arising ...
... RULE I. To reduce a Vulgar Fraction to a Decimal of the same value . Having annexed a sufficient number of ciphers , as decimals , to the numerator of the vulgar fractions , divide by the denomi- nator ; and the quotient thence arising ...
Página 19
... decimal of an eagle . Ans . .013 . Reduce 14 minutes to the decimal of a day . Ans . .00972+ Reduce 3 hours 46 minutes to the decimal of a week . Ans . RULE IN To find the value of Decimal Fractions in 0224206+ 2 DECIMAL FRACTIONS . 19.
... decimal of an eagle . Ans . .013 . Reduce 14 minutes to the decimal of a day . Ans . .00972+ Reduce 3 hours 46 minutes to the decimal of a week . Ans . RULE IN To find the value of Decimal Fractions in 0224206+ 2 DECIMAL FRACTIONS . 19.
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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.