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 TablesHarper, 1832 - 348 σελίδες |
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Σελίδα 6
... rules and practical examples . The first section ( Part the Second ) gives an account of the chains and measures used in Great Britain and Ireland , methods of surveying and of taking inaccessible distances by the chain only , with some ...
... rules and practical examples . The first section ( Part the Second ) gives an account of the chains and measures used in Great Britain and Ireland , methods of surveying and of taking inaccessible distances by the chain only , with some ...
Σελίδα 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 ...
Σελίδα 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 ...
Σελίδα 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 ...
Σελίδα 19
... 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 . 0224206+ RULE III . To find the value of Decimal Fractions DECIMAL FRACTIONS . 19.
... 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 . 0224206+ RULE III . To find the value of Decimal Fractions DECIMAL FRACTIONS . 19.
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD acres altitude arch azimuth base bearing blank line centre chains and links circle circumferentor co-sine column compasses contained 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 method multiplied needle nonius number of degrees object observed offsets opposite parallelogram perches perpendicular plane prob PROBLEM proportion protractor quadrant quotient radius rhombus right angles right line scale of equal SCHOLIUM screw secant sect sector semicircle side square root station stationary distance subtract suppose survey taken tangent theo theodolite THEOREM third trapezium triangle ABC trigonometry two-pole chains vane vulgar fraction whence
Δημοφιλή αποσπάσματα
Σελίδα 173 - In like manner, when it is said, that " triangles on the same base, and between the same parallels, are equal...
Σελίδα 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.
Σελίδα 163 - RULE. From half the sum of the three sides subtract each side severally.
Σελίδα 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.
Σελίδα 97 - C' (89) (90) (91) (92) (93) 112. In any plane triangle, the sum of any two sides is to their difference as the tangent of half the sum of the opposite angles is to the tangent of half their difference.
Σελίδα 41 - The radius of a circle is a right line drawn from the centre to the circumference.
Σελίδα 52 - Triangles upon equal bases, and between the same parallels, are equal to one another.
Σελίδα 24 - The square of the sum of two numbers is equal to the square of the first number plus twice the product of the first and second number plus the square of the second number.
Σελίδα 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.