The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this ArtEvert Duyckinck, 1814 - 508 páginas |
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Página 8
... co - sine , co - tangent , & c . of their excess above 90 degrees . EXAMPLES . Required the log . sine of 36 32 co - sine of 61 18 logarithm . 9.774729 9.681443 tangent of 54 17 10 143263 co - tang . of 42 50 10.032877 secant of 19 27 ...
... co - sine , co - tangent , & c . of their excess above 90 degrees . EXAMPLES . Required the log . sine of 36 32 co - sine of 61 18 logarithm . 9.774729 9.681443 tangent of 54 17 10 143263 co - tang . of 42 50 10.032877 secant of 19 27 ...
Página 18
... Co - se 60 Infinite . 10.000000 Infinite . 13-536274 10.000000 13.536274 59 13.43524410.000000 | 13.235244 581 7 ... tang Tang . Co - sec : Secant M $ 9 Degrees . - 14 9 6 5 + 1 Degree . M Sine . Co - sine . 24 ANGENTS , AND SECANTS ...
... Co - se 60 Infinite . 10.000000 Infinite . 13-536274 10.000000 13.536274 59 13.43524410.000000 | 13.235244 581 7 ... tang Tang . Co - sec : Secant M $ 9 Degrees . - 14 9 6 5 + 1 Degree . M Sine . Co - sine . 24 ANGENTS , AND SECANTS ...
Página 19
... Tang . Co - tang Secant . Co - sec . K 08.241855 9.999934 8.241921 11.758079 10.000066 11.758145 60 18.249033 9.999932 8.249102 11.750898 10.000068 11 750967 59 28.256094 9.999929 8.256165 11.743835 10.000071 11.743906 58 38.263042 ...
... Tang . Co - tang Secant . Co - sec . K 08.241855 9.999934 8.241921 11.758079 10.000066 11.758145 60 18.249033 9.999932 8.249102 11.750898 10.000068 11 750967 59 28.256094 9.999929 8.256165 11.743835 10.000071 11.743906 58 38.263042 ...
Página 20
... Tang . Co - tang . Secant . Co - se 0000000 10.000000 0.000000 Infinite . 10.000000 Infinite . 60 6.463726 10.000000 6.463726 13.536274 10.000000 13.536274 59 2 6.764756 10.000000 6.764756 13.235244 10.000000 13.235244 58 36 940847 ...
... Tang . Co - tang . Secant . Co - se 0000000 10.000000 0.000000 Infinite . 10.000000 Infinite . 60 6.463726 10.000000 6.463726 13.536274 10.000000 13.536274 59 2 6.764756 10.000000 6.764756 13.235244 10.000000 13.235244 58 36 940847 ...
Página 21
... Tang . Co - tang Secant . Co - sec . K 08.241855 9.999934 8.241921 11.758079 10.000066 11.758145 18.249033 9.999932 8.249102 11.750898 10.000068 11 750967 59 28.256094 9.999929 | 8.256165 11.743835 10.00007111.743906 58 38.263042 ...
... Tang . Co - tang Secant . Co - sec . K 08.241855 9.999934 8.241921 11.758079 10.000066 11.758145 18.249033 9.999932 8.249102 11.750898 10.000068 11 750967 59 28.256094 9.999929 | 8.256165 11.743835 10.00007111.743906 58 38.263042 ...
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Términos y frases comunes
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 difference Dist divided divisions draw east Ecliptic edge EXAMPLE feet field-book figures fore four-pole chains geometrical series given angle given number half the sum Horizon glass hypothenuse inches instrument latitude length logarithm measure meridian distance minutes multiplied 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 side sights square root station stationary distance subtracted survey taken tance Tang tangent theo theodolite trapezium triangle ABC trigonometry two-pole chains vane versed sine vulgar fraction whence
Pasajes populares
Página 52 - The angle in a semicircle is a right angle ; the angle in a segment greater than a semicircle is less than a right angle ; and the angle in a segment less than a semicircle is greater than a right angle.
Página 39 - The Circumference of every circle is supposed to be divided into 360 equal parts, called Degrees ; and each degree into 60 Minutes, each minute into 60 Seconds, and so on.
Página 18 - DISTINGUISH the given number into periods of two figures each, by putting a point over the place of units, another over the place of hundreds, and so on, which points shew the number of figures the root will consist of. 2. " FIND the greatest square number in the first, or left hand period...
Página 120 - C' (89) (90) (91) (92) (93) 112. In any plane triangle, the sum of any two sides is to their difference as the tangent of half the sum of the opposite angles is to the tangent of half their difference.
Página 31 - DIVISION BY LOGARITHMS. RULE. From the logarithm of the dividend subtract the logarithm of the divisor, and the number answering to the remainder will be the quotient required.
Página 87 - On the line of lines make the lateral distance 10, a transverse distance between 8 on one leg, and 6 on the other leg. On the line of sines make the lateral distance 90, a transverse distance from 45 to 45 ; or from 40 to 50 ; or from 30 to 60 ; or from the sine of any degree to their complement.
Página 7 - RULE. Divide as in whole numbers, and from the right hand of the quotient point off as many places for decimals as the decimal places in the dividend exceed those in the divisor.
Página 82 - ... longer than the intermediate adjacent ones, these are whole degrees ; the shorter ones, or those of the third order, are 30 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 estimated by the eye.