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
... Sun ibid . 6. Changing the scale of Maps Transit of Pole Star 176 263 Difference of Altitude of 7. Method of Dividing Pole Star and Pole 177 Land 271 Sun's Declination 178 8. Maritime Surveying 281 Reduction Table 182 CONTENTS .
... Sun ibid . 6. Changing the scale of Maps Transit of Pole Star 176 263 Difference of Altitude of 7. Method of Dividing Pole Star and Pole 177 Land 271 Sun's Declination 178 8. Maritime Surveying 281 Reduction Table 182 CONTENTS .
Σελίδα 10
... REDUCTION OF DECIMALS . RULE I , To reduce a Vulgar Fraction to a Decimal of the same value . Having annexed a sufficient number of ciphers , as decimals , to the numerator of the vulgar frac- tion , divide by the denominator ; and the ...
... REDUCTION OF DECIMALS . RULE I , To reduce a Vulgar Fraction to a Decimal of the same value . Having annexed a sufficient number of ciphers , as decimals , to the numerator of the vulgar frac- tion , divide by the denominator ; and the ...
Σελίδα 11
... Reduce to a decimal fraction . Reduce Reduce 25 Reduce Reduce 2 Answer .4 .48 .1146789 .7777+ .9130434+ Reduce ,,,, and so on to 3 % , to their cor- responding decimal fractions ; and in this opera- tion the various modes of interminate ...
... Reduce to a decimal fraction . Reduce Reduce 25 Reduce Reduce 2 Answer .4 .48 .1146789 .7777+ .9130434+ Reduce ,,,, and so on to 3 % , to their cor- responding decimal fractions ; and in this opera- tion the various modes of interminate ...
Σελίδα 12
... Reduce 8 inches to the decimal of a yard . 8 inches . 1 yard × 3 × 12 = 36 inches . 36 ) 8.0 ( .22 + = Answer , 72 80 72 8 Reduce 5 furlongs 12 perches to the decimal of a mile . 1 mile 5 furlongs 8 40 8 fur . 200 40 vulgar fraction ...
... Reduce 8 inches to the decimal of a yard . 8 inches . 1 yard × 3 × 12 = 36 inches . 36 ) 8.0 ( .22 + = Answer , 72 80 72 8 Reduce 5 furlongs 12 perches to the decimal of a mile . 1 mile 5 furlongs 8 40 8 fur . 200 40 vulgar fraction ...
Σελίδα 13
... Reduce 13 cents to the decimal of an Eagle . Ans . .013 Reduce 14 minutes to the decimal of a day . Ans . .00972+ Reduce 3 hours 46 minutes to the decimal of a week . Ans . .0224206+ RULE III . To find the value of Decimal Fractions in ...
... Reduce 13 cents to the decimal of an Eagle . Ans . .013 Reduce 14 minutes to the decimal of a day . Ans . .00972+ Reduce 3 hours 46 minutes to the decimal of a week . Ans . .0224206+ RULE III . To find the value of Decimal Fractions in ...
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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