Manual of Land Surveying, with TablesJ.W. Schermerhorn & Company, 1878 - 259 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 17.
Σελίδα 5
... square or rectangle . II . To lay out a parallelogram ... 105 105 Problem III . To set off a given quantity of land , one side irreg- ular . ....... 107 Problem IV . The same problem , a starting - point being assigned 107 Problem V. To ...
... square or rectangle . II . To lay out a parallelogram ... 105 105 Problem III . To set off a given quantity of land , one side irreg- ular . ....... 107 Problem IV . The same problem , a starting - point being assigned 107 Problem V. To ...
Σελίδα 8
... square feet . Each of the angles of such a spherical triangle would only exceed that of the plane triangle by o " .0019 . And the angles of a spherical triangle , whose area is 75.5 square miles , would only exceed those of the plane ...
... square feet . Each of the angles of such a spherical triangle would only exceed that of the plane triangle by o " .0019 . And the angles of a spherical triangle , whose area is 75.5 square miles , would only exceed those of the plane ...
Σελίδα 9
... Square .-- This consists of two pieces of wood fastened firmly together , at right angles to each other . The long arm is not less than 24 inches long , and the short one about 10 inches . The short arm is thicker than the other ...
... Square .-- This consists of two pieces of wood fastened firmly together , at right angles to each other . The long arm is not less than 24 inches long , and the short one about 10 inches . The short arm is thicker than the other ...
Σελίδα 27
... square chains were exactly equal The chain is divided into 100 parts , called links ; hence , in recording distances measured with the chain , the number of links may be written as decimals of a chain , and so used in computations . The ...
... square chains were exactly equal The chain is divided into 100 parts , called links ; hence , in recording distances measured with the chain , the number of links may be written as decimals of a chain , and so used in computations . The ...
Σελίδα 69
... square feet . That is , if a square , measuring one foot on each side , were applied 100 times to the given surface , it would exactly cover it . If the figure ABDC be a rectangle whose length , AB , is 8 feet , and height , AC , 6 feet ...
... square feet . That is , if a square , measuring one foot on each side , were applied 100 times to the given surface , it would exactly cover it . If the figure ABDC be a rectangle whose length , AB , is 8 feet , and height , AC , 6 feet ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
9 Diff acres alidade altitude axis azimuth back-sight bubble chains clamp column compute contour lines correction Cosine Sine Cotang course declination circle degrees and minutes determine difference of level direction Dist divided double meridian distance east equal equation error feet field figure find the arc give given ground Gunter's chain height horizontal angle horizontal limb instrument internal angles intersection land latitude circle latitudes and departures length line of collimation line running logarithm magnetic needle marked measure the angles method north and south obtained opposite parallel perpendicular placed plane table plate plot plumb-line position principal meridian radius refraction reverse bearing right angles screws shaft side sights solar compass square star station subtract surface survey surveyor surveyor's compass Tang tangent telescope theodolite threads tion township transit traverse triangle true meridian tube variation vernier vertical
Δημοφιλή αποσπάσματα
Σελίδα 18 - In the same way it may be proved that a : b : : sin. A : sin. B, and these two proportions may be written a : 6 : c : : sin. A : sin. B : sin. C. THEOREM III. t8. 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. By Theorem II. we have a : b : : sin. A : sin. B.
Σελίδα 183 - The minutes in the left-hand column of each page, increasing downwards, belong to the degrees at the top ; and those increasing upwards, in the right.hand column, belong to the degrees below.
Σελίδα 18 - In any plane triangle, the sides are proportional to the sines of the opposite angles.
Σελίδα 13 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, etc.
Σελίδα 79 - And the double meridian distance of any course is equal to the double meridian distance of the preceding course, plus its departure, plus the departure of the course itself, having regard to the algebraic sign of each.
Σελίδα 67 - Having measured a distance of 200 feet, in a direct horizontal line, from the bottom of a steeple, the angle of elevation of its top, taken at that distance, was found to be 47° 30'; from hence it is required to find the height of the steeple.
Σελίδα 155 - The characteristic of the logarithm of any number greater than unity, is one less than the number of integral figures in the given number.