The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this ArtJ.J. Harper, 1828 - 435 páginas |
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Página 5
... than his . * This method , with very little alteration and improvement , in this country , is usually called the Pennsylvania Method of Calculation . - Ed . CONTENTS . . 105 The Circumferentor 116 The Theodolite - PREFACE .
... than his . * This method , with very little alteration and improvement , in this country , is usually called the Pennsylvania Method of Calculation . - Ed . CONTENTS . . 105 The Circumferentor 116 The Theodolite - PREFACE .
Página 9
... called the denomi- nator ; and if we choose to take any number of such parts less than the whole , this is called the numerator of a fraction . The numerator , in the vulgar form , is always 2.
... called the denomi- nator ; and if we choose to take any number of such parts less than the whole , this is called the numerator of a fraction . The numerator , in the vulgar form , is always 2.
Página 10
... called three - fourths , and the latter five - eighths of an inch , yard , & c . or of whatever the whole thing originally con- sisted the 4 and the 8 are the denominators , showing into how many equal parts the unit is divided ; and ...
... called three - fourths , and the latter five - eighths of an inch , yard , & c . or of whatever the whole thing originally con- sisted the 4 and the 8 are the denominators , showing into how many equal parts the unit is divided ; and ...
Página 20
... called the root , or first power of this number ; and its other powers are the products , that result from multiplying the number by itself , and the last product by the same number again ; and so on to any number of multiplications ...
... called the root , or first power of this number ; and its other powers are the products , that result from multiplying the number by itself , and the last product by the same number again ; and so on to any number of multiplications ...
Página 21
... called surd , or irrational roots . Roots are usually represented by these characters or exponents ; ✓ , or which signifies the square root ; thus , ✓ 9 , or 93 - 3 1 3 / , or cube root ; or √64 , or 643–4 = 4 biquadrate root ; 16 ...
... called surd , or irrational roots . Roots are usually represented by these characters or exponents ; ✓ , or which signifies the square root ; thus , ✓ 9 , or 93 - 3 1 3 / , or cube root ; or √64 , or 643–4 = 4 biquadrate root ; 16 ...
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Términos y frases comunes
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