The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this ArtEvert Duyckinck, 1814 - 508 σελίδες |
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Σελίδα
... proportion . equality . • · square root . • cube root , & c . Thus , diff , between two numbers when it is not known which is the greater . 5 + 3 , denotes that 3 is to be added to 5 . 6 --- 2 , denotes that 2 is to be taken from 6 . 7 ...
... proportion . equality . • · square root . • cube root , & c . Thus , diff , between two numbers when it is not known which is the greater . 5 + 3 , denotes that 3 is to be added to 5 . 6 --- 2 , denotes that 2 is to be taken from 6 . 7 ...
Σελίδα 3
... proportion : for , and 1888 , which in the decimal form we denote by .3 .03 . and .003 , are fractions , of which the first is ten times greater than the second ; and the second , ten times great- er than the third . 003 Hence it ...
... proportion : for , and 1888 , which in the decimal form we denote by .3 .03 . and .003 , are fractions , of which the first is ten times greater than the second ; and the second , ten times great- er than the third . 003 Hence it ...
Σελίδα 14
... PROPORTION IN DECIMAL FRACTIONS . Having reduced all the fractional parts in the given quantities to their corresponding decimals , and having stated the three known terms , so that the fourth , or required quantity , may be as much ...
... PROPORTION IN DECIMAL FRACTIONS . Having reduced all the fractional parts in the given quantities to their corresponding decimals , and having stated the three known terms , so that the fourth , or required quantity , may be as much ...
Σελίδα 32
... PROPORTION , Or the Rule of Three in Logarithms . RULE . Having stated the three given terms according . to the rule in common Arithmetic , write them or- derly under one another , with the signs of propor- tion ; then add the ...
... PROPORTION , Or the Rule of Three in Logarithms . RULE . Having stated the three given terms according . to the rule in common Arithmetic , write them or- derly under one another , with the signs of propor- tion ; then add the ...
Σελίδα 33
... Proportion and Trigonometrical calculations , to change Subtrac tions into Additions . EXAMPLES . 1 1st . If a clock gain 14 seconds in 5 days 18 hours , how much will it gain in 17 days 15 hours ? : Log . = 0.759668 5.75 days 17.625 ...
... Proportion and Trigonometrical calculations , to change Subtrac tions into Additions . EXAMPLES . 1 1st . If a clock gain 14 seconds in 5 days 18 hours , how much will it gain in 17 days 15 hours ? : Log . = 0.759668 5.75 days 17.625 ...
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acres altitude Answer arch base bearing blank line centre chains and links circle circle of latitude circumferentor Co-sec Co-tang column compasses contained decimal Dep Lat Dep difference Dist divided divisions draw east Ecliptic edge EXAMPLE feet field-book figures fore four-pole chains geometrical series given number half the sum Horizon glass hypothenuse inches instrument Lat Dep Lat latitude length logarithm measure meridian distance multiplied Natural Co-sines natural sine Nonius number of degrees object observed off-sets opposite parallelogram perches perpendicular plane pole pole star PROB proportion protractor Quadrant quotient radius right angles right line scale of equal SCHOLIUM screw Secant sect semicircle Sextant side sights square root station stationary distance subtracted survey taken Tang tangent theo theodolite trapezium triangle ABC trigonometry vane versed sine vulgar fraction