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 10
... 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 .
... 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 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
... acre . 4 = number of roods [ in an acre . 1.3500 40 = number of perch- [ es in a rood . 14.0000 The value , therefore , is 1 rood 14 perches . What is the value of .6875 of a yard ? DECIMAL FRACTIONS . 13.
... acre . 4 = number of roods [ in an acre . 1.3500 40 = number of perch- [ es in a rood . 14.0000 The value , therefore , is 1 rood 14 perches . What is the value of .6875 of a yard ? DECIMAL FRACTIONS . 13.
Σελίδα 14
... acres 3 roods of land can be purchased for 93 dollars 60 cts . how much will 15 acres 1 rood cost at that rate ? 3 acs . 3 rds . * = 15 acs 14 DECIMAL FRACTIONS ,
... acres 3 roods of land can be purchased for 93 dollars 60 cts . how much will 15 acres 1 rood cost at that rate ? 3 acs . 3 rds . * = 15 acs 14 DECIMAL FRACTIONS ,
Σελίδα 15
... acres . 15.25 acres = $ 93.60 93.60 : 15.25 468 00 18720 46800 9360 3.75 ) 1427.4000 ( 380.64 - Answer , 1125 3024 3000 2400 2250 1500 1500 If a cloek gain 14 seconds in 5 days 6 hours , how much will it gain in 17 days 15 hours ? Ans ...
... acres . 15.25 acres = $ 93.60 93.60 : 15.25 468 00 18720 46800 9360 3.75 ) 1427.4000 ( 380.64 - Answer , 1125 3024 3000 2400 2250 1500 1500 If a cloek gain 14 seconds in 5 days 6 hours , how much will it gain in 17 days 15 hours ? Ans ...
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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