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 12
... 1920 decimal sought . 800 640 1600 1600 Reduce 21 minutes 54 seconds to the decimal of a degree . Ans . .365 Reduce .056 of a pole to the decimal of an Acre . Ans . .00035 Reduce 13 cents to the decimal of an Eagle . 12 DECIMAL FRACTIONS .
... 1920 decimal sought . 800 640 1600 1600 Reduce 21 minutes 54 seconds to the decimal of a degree . Ans . .365 Reduce .056 of a pole to the decimal of an Acre . Ans . .00035 Reduce 13 cents to the decimal of an Eagle . 12 DECIMAL FRACTIONS .
Σελίδα 13
... 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 terms of the lower denominations . Multiply the given decimal by ...
... 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 terms of the lower denominations . Multiply the given decimal by ...
Σελίδα 39
... minutes , and each minute into 60 equal parts call- ed seconds , and these into thirds , fourths , & c . these parts being greater or less as the radius is . 17. A chord is a right line drawn from one end of an arc or arch ( that is ...
... minutes , and each minute into 60 equal parts call- ed seconds , and these into thirds , fourths , & c . these parts being greater or less as the radius is . 17. A chord is a right line drawn from one end of an arc or arch ( that is ...
Σελίδα 82
... minutes . From the centre , to 60 degrees , the line of sines is divided like the line of tangents ; from 60 to 70 , it is divided only to every degree ; from 70 to 80 , to every two degrees ; from 80 to 90 , the division must be ...
... minutes . From the centre , to 60 degrees , the line of sines is divided like the line of tangents ; from 60 to 70 , it is divided only to every degree ; from 70 to 80 , to every two degrees ; from 80 to 90 , the division must be ...
Σελίδα 97
... minutes or miles . The extent from the brass pin on the scale of meridional parts to any division on that scale , ap- plied to the line of equal parts , will give ( in de- grees ) the meridional parts answering to the lati- tude of that ...
... minutes or miles . The extent from the brass pin on the scale of meridional parts to any division on that scale , ap- plied to the line of equal parts , will give ( in de- grees ) the meridional parts answering to the lati- tude of that ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
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