The Field Engineer: A Handy Book of Practice in the Survey, Location, and Trackwork of Railroads; Containing ... Rules and Tables ... Applicable to ... the Standard and the Narrow Gauge ... |
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Página ix
A small secondary figure annexed thus to an expression is called its exponent . ...
If preceded by a small secondary figure , called the index , as in the marginal
figure , it indicates that the cube root of the quantity covered by it shall be taken ...
A small secondary figure annexed thus to an expression is called its exponent . ...
If preceded by a small secondary figure , called the index , as in the marginal
figure , it indicates that the cube root of the quantity covered by it shall be taken ...
Página 3
... of figures in the given number . Thus , if a number lies between 1 and 10 , its
logarithm lies between 0 and 1 ; that is , it is equal to 0 plus a decimal . If a
number lies between 10 and 100 , its logarithm is equal to 1 plus a decimal ; and
so on .
... of figures in the given number . Thus , if a number lies between 1 and 10 , its
logarithm lies between 0 and 1 ; that is , it is equal to 0 plus a decimal . If a
number lies between 10 and 100 , its logarithm is equal to 1 plus a decimal ; and
so on .
Página 4
If the number lie between 100 and 10000 , find the first three figures of it in
column N ; then pass along a horizontal line until you come to the column
headed with the fourth figure of the number . At this place will be found the
mantissa .
If the number lie between 100 and 10000 , find the first three figures of it in
column N ; then pass along a horizontal line until you come to the column
headed with the fourth figure of the number . At this place will be found the
mantissa .
Página 5
If the number be greater than 10000 , place a decimal point after the fourth figure
, thus converting the number into a mixed number . Find the mantissa of the entire
part by the method last given . Then take from column D the corresponding ...
If the number be greater than 10000 , place a decimal point after the fourth figure
, thus converting the number into a mixed number . Find the mantissa of the entire
part by the method last given . Then take from column D the corresponding ...
Página 7
is the result obtained by subtracting it from 10 : it may be written out by
commencing at the left hand , and subtracting each figure from 9 until the last
significant figure is reached , which must be taken from 10 . Thus 8 . 130456 is
the arithmetical ...
is the result obtained by subtracting it from 10 : it may be written out by
commencing at the left hand , and subtracting each figure from 9 until the last
significant figure is reached , which must be taken from 10 . Thus 8 . 130456 is
the arithmetical ...
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Otras ediciones - Ver todas
The Field Engineer: A Handy Book of Practice in the Survey, Location and ... William F. Shunk Sin vista previa disponible - 2008 |
The Field Engineer: A Handy Book of Practice in the Survey, Location, and ... William Findlay Shunk Sin vista previa disponible - 2017 |
Términos y frases comunes
4º curve added adjustment angle application base called central angle centre CHORD circle cloth column connecting corresponding Cosine Cotang Cube Roots decimal deflection difference direction distance divided Draw elevation engineer equal equivalent error Example feet field figure fixed follows frog gauge given gives grade ground half height Hence Illustrated inches indicate intersection length located logarithm mark means measure method middle Mile minutes Move multiplied natural Note observation opposite ordinate outer rail parallel practice quotient radii radius range remainder rule screws side Sine slope Square stake straight stretch Subtract Suppose switch-rail Table Table XVI taken Tang tangent telescope terminal tion track triangle turn turnout vernier vertical
Pasajes populares
Página 18 - ... the square of the hypothenuse is equal to the sum of the squares of the other two sides.
Página 4 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.
Página 11 - ... is supposed to be divided into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds. Degrees, minutes, and seconds, are designated respectively, by the characters ° ' ". For example, ten degrees, eighteen minutes, and fourteen seconds, would be written 10° 18
Página 4 - The logarithm of the product of two numbers is equal to the sum of the logarithms of the numbers. log» MN = log» M + log