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 7
... contained are much more concise and ready than his . * This method , with very little alteration and improvement , in this country , is usually called the Pennsylvania Method of Calculation . - ED . : CONTENTS . Page 191 200 205 208 213 ...
... contained are much more concise and ready than his . * This method , with very little alteration and improvement , in this country , is usually called the Pennsylvania Method of Calculation . - ED . : CONTENTS . Page 191 200 205 208 213 ...
Σελίδα 14
... contain of ciphers , it follows that the places of de- cimals in the product will be as many as in the'numbers from whence it arose . EXAMPLES . Multiply 48.765 by .003609 . .003609 438885 292590 14 DECIMAL FRACTIONS .
... contain of ciphers , it follows that the places of de- cimals in the product will be as many as in the'numbers from whence it arose . EXAMPLES . Multiply 48.765 by .003609 . .003609 438885 292590 14 DECIMAL FRACTIONS .
Σελίδα 15
... contain as many decimal places as there are in the dividend . If , therefore , the dividend have just as many places of decimals as the divisor has , the quotient will be a whole number without any decimal figures . If there be more ...
... contain as many decimal places as there are in the dividend . If , therefore , the dividend have just as many places of decimals as the divisor has , the quotient will be a whole number without any decimal figures . If there be more ...
Σελίδα 18
... numerator by the denominator , as directed in the foregoing rule , and the quotient resulting will be the decimal fraction required . L But if the given quantity contain several denominations , re- 18 DECIMAL FRACTIONS . tion.
... numerator by the denominator , as directed in the foregoing rule , and the quotient resulting will be the decimal fraction required . L But if the given quantity contain several denominations , re- 18 DECIMAL FRACTIONS . tion.
Σελίδα 19
... contain several denominations , re- duce them to the lowest term for the numerator ; reduce likewise that quantity whose fraction is sought to the same denomina- tion , for the denominator of a vulgar fraction ; then divide as before ...
... contain several denominations , re- duce them to the lowest term for the numerator ; reduce likewise that quantity whose fraction is sought to the same denomina- tion , for the denominator of a vulgar fraction ; then divide as before ...
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.