The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this ArtJ.J. Harper, 1828 - 435 σελίδες |
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Σελίδα 17
... quantity contain several denominations , reduce them to the lowest term for ... degree . Ans . .365 . Reduce .056 of a pole to the decimal of an Acre . Ans ... value of Decimal Fractions DECIMAL FRACTIONS . 17.
... quantity contain several denominations , reduce them to the lowest term for ... degree . Ans . .365 . Reduce .056 of a pole to the decimal of an Acre . Ans ... value of Decimal Fractions DECIMAL FRACTIONS . 17.
Σελίδα 18
... number of the next lower de- nomination , which makes an integer of the present , and point off as many places at ... degree ? Ans . 40 m . 58 sec . 48 thirds . What is the value of .0053 of a mile ? Ans . 1 per : 3 yds . 2 ft . 5 in . + ...
... number of the next lower de- nomination , which makes an integer of the present , and point off as many places at ... degree ? Ans . 40 m . 58 sec . 48 thirds . What is the value of .0053 of a mile ? Ans . 1 per : 3 yds . 2 ft . 5 in . + ...
Σελίδα 20
... number by itself , and the last product by the same number again ; and so on to any number of multiplications . The index , or exponent , is the number denoting the height , or degree of the power , being always greater by one , than the ...
... number by itself , and the last product by the same number again ; and so on to any number of multiplications . The index , or exponent , is the number denoting the height , or degree of the power , being always greater by one , than the ...
Σελίδα 40
... number of degrees of the whole circle . 29. The sine , tangent , and secant of an arc , is also the sine , tan- gent , and secant of an angle whose measure the arc is ; thus because the arc HB is the measure of the angle HCB , and since ...
... number of degrees of the whole circle . 29. The sine , tangent , and secant of an arc , is also the sine , tan- gent , and secant of an angle whose measure the arc is ; thus because the arc HB is the measure of the angle HCB , and since ...
Σελίδα 43
... angles , or two angles equal to two right angles . 1. If AB be perpendicular to CD , then ( by def . 10. ) the angles CBA , and ABD , will be each a right angle . 2. But if the line fall slantwise , as EB , and let AB be perpendi- cular ...
... angles , or two angles equal to two right angles . 1. If AB be perpendicular to CD , then ( by def . 10. ) the angles CBA , and ABD , will be each a right angle . 2. But if the line fall slantwise , as EB , and let AB be perpendi- cular ...
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ABCD acres altitude Answer arch base bearing centre chains and links circle circumferentor Co-sec Co-tang column compasses contained cube root decimal difference of latitude Dist divided divisions divisor draw east Ecliptic edge EXAMPLE feet field-book figure four-pole chains given angle given number half the sum height Hence Horizon glass hypothenuse inches instrument length logarithm measure Meridian Altitude meridian distance method multiplied natural co-sine natural number natural sine Nonius number of degrees object observed off-sets opposite parallel parallelogram perches perpendicular plane prob PROBLEM proportional protractor Quadrant quotient radius rhombus right angles right line Secant sect semicircle Sextant side square root station subtract Sun's survey taken Tang tangent theo theodolite THEOREM trapezium triangle ABC trigonometry two-pole chains vane versed sine vulgar fraction whence