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 páginas |
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Página 10
... multiplied by 3 . 84 , denotes that 8 is to be divided by 4 . 2 : 3 :: 4 : 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 33 , denotes the square root of the number 3 . * 3 ...
... multiplied by 3 . 84 , denotes that 8 is to be divided by 4 . 2 : 3 :: 4 : 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 33 , denotes the square root of the number 3 . * 3 ...
Página 14
... multiplied as in whole numbers , cut off as many places for decimals in the product , counting from the right - hand ... Multiply 48.765 by .003609 . .003609 438885 292590 14 DECIMAL FRACTIONS .
... multiplied as in whole numbers , cut off as many places for decimals in the product , counting from the right - hand ... Multiply 48.765 by .003609 . .003609 438885 292590 14 DECIMAL FRACTIONS .
Página 15
... Multiply 48.765 by .003609 . .003609 438885 292590 146295 Product.175992885 Multiply .121 by .14 484 121 Product = .01694 Multiply 121.6 by 2.76 2.76 7296 8512 2432 Product = 335.616 Multiply .0089789 by 1085 . Product 9.7421065 . Multiply ...
... Multiply 48.765 by .003609 . .003609 438885 292590 146295 Product.175992885 Multiply .121 by .14 484 121 Product = .01694 Multiply 121.6 by 2.76 2.76 7296 8512 2432 Product = 335.616 Multiply .0089789 by 1085 . Product 9.7421065 . Multiply ...
Página 20
... Multiply the given decimal by the number of the next lower denomination which makes an integer of the present , and point off as many places at the right - hand of the product , for a re- mainder , as there are figures in the given ...
... Multiply the given decimal by the number of the next lower denomination which makes an integer of the present , and point off as many places at the right - hand of the product , for a re- mainder , as there are figures in the given ...
Página 21
... multiply the second and third terms together , and divide the product by the first term , and the quotient will be the answer ; -in the same denomination with the third term . EXAMPLES . If 3 acres 3 roods of land can be purchased for ...
... multiply the second and third terms together , and divide the product by the first term , and the quotient will be the answer ; -in the same denomination with the third term . EXAMPLES . If 3 acres 3 roods of land can be purchased for ...
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Términos y frases comunes
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
Pasajes populares
Página 173 - In like manner, when it is said, that " triangles on the same base, and between the same parallels, are equal...
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 163 - RULE. From half the sum of the three sides subtract each side severally.
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 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.
Página 41 - The radius of a circle is a right line drawn from the centre to the circumference.
Página 52 - Triangles upon equal bases, and between the same parallels, are equal to one another.
Página 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.
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.