The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skillful Practice of this ArtE. Duyckinck, 1821 - 544 σελίδες |
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Σελίδα 2
... less than the whole , this is called the numerator of a fraction . The numerator , in the vulgar form , is always written over the denominator , and these are sepa- rated by a small line thus , or ; the first of these is called three ...
... less than the whole , this is called the numerator of a fraction . The numerator , in the vulgar form , is always written over the denominator , and these are sepa- rated by a small line thus , or ; the first of these is called three ...
Σελίδα 3
... less , while the denomination of it increases , and becomes so ma- ny times greater , by prefixing one , or two , or three eiphers to it : and that any number of ci- phers , before an integer , or after a decimal frac- tion , has no ...
... less , while the denomination of it increases , and becomes so ma- ny times greater , by prefixing one , or two , or three eiphers to it : and that any number of ci- phers , before an integer , or after a decimal frac- tion , has no ...
Σελίδα 10
... 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 division being now performed , the decimal figures of the quotient are obtained . Divide ...
... 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 division being now performed , the decimal figures of the quotient are obtained . Divide ...
Σελίδα 14
... less than the third , as the second term is greater , or less than the first , then 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 ...
... less than the third , as the second term is greater , or less than the first , then 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 ...
Σελίδα 23
... less ; and call it the assumed cube . 2. Then say , by the Rule of Three , as the sum of the given number and double the assumed cube , is to the sum of the assumed and double the given number , so is the root of the assumed cube , to ...
... less ; and call it the assumed cube . 2. Then say , by the Rule of Three , as the sum of the given number and double the assumed cube , is to the sum of the assumed and double the given number , so is the root of the assumed cube , to ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD acres altitude Answer arch base bearing centre chains and links circle circumferentor Co-sec Co-tang column compasses contained cube root decimal diagonal difference of latitude Dist 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 Logarithms measure meridian distance multiplied Natural Co-sines natural number natural sine Nonius number of degrees object observed off-sets opposite parallelogram perches perpendicular plane pole PROB proportional protractor Quadrant quotient radius rhombus right angles right line screw Secant sect semicircle side square root station subtract survey taken tance Tang tangent theo theodolite trapezium triangle ABC trigonometry two-pole chains vane versed sine vulgar fraction whence
Δημοφιλή αποσπάσματα
Σελίδα 246 - ... that triangles on the same base and between the same parallels are equal...
Σελίδα 58 - 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 231 - RULE. From half the sum of the three sides subtract each side severally.
Σελίδα 45 - 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 14 - 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.
Σελίδα 5 - His method is founded on these three considerations: 1st, that the sum of the logarithms of any two numbers is the logarithm of the product of...
Σελίδα 91 - ... scale. Given the length of the sine, tangent, or secant of any degrees, to find the length of the radius to that sine, tangent, or secant.
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.
Σελίδα 30 - Then, because the sum of the logarithms of numbers, gives the logarithm of their product ; and the difference of the logarithms, gives the logarithm of the quotient of the numbers ; from the above two logarithms, and the logarithm of 10, which is 1, we may obtain a great many logarithms, as in the following examples : EXAMPLE 3.
Σελίδα 211 - At 170 feet distance from the bottom of a tower, the angle of its elevation was found to be 52° 30' : required the altitude of the tower ? Ans.