The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this ArtE. Duyckinck, 1811 - 508 σελίδες |
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Σελίδα
... divided by 4 . 2 : 34 : 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 32 , denotes the square root of the number 3 . 3 ✓5 , or 5 , denotes the cube root of the number 5 ...
... divided by 4 . 2 : 34 : 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 32 , denotes the square root of the number 3 . 3 ✓5 , or 5 , denotes the cube root of the number 5 ...
Σελίδα 2
... divided ; and the three and the five are the numerators , showing how many of those parts are under consideration . Fractions are expressed in two forms , that is , either vulgarly or decimally . All fractions whose denominators do not ...
... divided ; and the three and the five are the numerators , showing how many of those parts are under consideration . Fractions are expressed in two forms , that is , either vulgarly or decimally . All fractions whose denominators do not ...
Σελίδα 10
... . Reduce to a decimal fraction . 4 ) 3.00 .75 = decimal required . For of one acre , mile , yard , or any thing , is equal to of 3 acres , miles , yards , & c . there- fore if 3 be divided by 4 , the quotient 10 DECIMAL FRACTIONS .
... . Reduce to a decimal fraction . 4 ) 3.00 .75 = decimal required . For of one acre , mile , yard , or any thing , is equal to of 3 acres , miles , yards , & c . there- fore if 3 be divided by 4 , the quotient 10 DECIMAL FRACTIONS .
Σελίδα 11
... divided by 4 , the quotient is the an- swer required . Reduce to a decimal fraction . Answer .4 Reduce 12 Reduce_ { Reduce Reduce .48 .1146789 .7777+ .9130434+ Reduce ,,,, and so on to 3 , to their cor- responding decimal fractions ...
... divided by 4 , the quotient is the an- swer required . Reduce to a decimal fraction . Answer .4 Reduce 12 Reduce_ { Reduce Reduce .48 .1146789 .7777+ .9130434+ Reduce ,,,, and so on to 3 , to their cor- responding decimal fractions ...
Σελίδα 24
... divided by any other numbers than themselves and unity . RULE For Computing the Logarithms of Numbers . Let the sum of its proposed number and the next less number be called A. Divide 0.8685889638 × † The number 0.8685889638+ is the ...
... divided by any other numbers than themselves and unity . RULE For Computing the Logarithms of Numbers . Let the sum of its proposed number and the next less number be called A. Divide 0.8685889638 × † The number 0.8685889638+ is the ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
acres altitude Answer arch azimuth base bearing blank line centre chains and links chord circle circumferentor Co-sec Co-tang column compasses contained decimal difference distance line divided divisions draw east Ecliptic edge feet field-book figures fore four-pole chains geom given number half the sum Horizon glass hypothenuse inches instrument Lat Dep Lat latitude length logarithm measure meridian distance multiplied natural co-sine natural sine needle Nonius number of degrees object observed off-sets opposite parallel parallelogram pegs perches perpendicular plane pole pole star Portmarnock PROB protractor Quadrant quotient radius right angles right line scale of equal SCHOLIUM screw Secant sect Sextant side sights square station stationary distance subtract Sun's survey taken Tang tangent theo theodolite trapezium triangle ABC trigonometry two-pole chains vane versed sine vulgar fraction whence
Δημοφιλή αποσπάσματα
Σελίδα 38 - 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 25 - 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 197 - RULE. From half the sum of the three sides subtract each side severally.
Σελίδα 106 - 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 27 - The VERSED SINE of an arc is that part of the diameter which is between the sine and the arc. Thus BA is the versed sine of the arc AG.