A System of Geometry and Trigonometry: Together with a Treatise on Surveying : Teaching Various Ways of Taking the Survey of a Field : Also to Protract the Same and Find the Area : Likewise, Rectangular Surveying, Or, an Accurate Method of Calculating the Area of Any Field Arithmetically, Without the Necessity of Plotting it : to the Whole are Added Several Mathematical Tables, with a Particular Explanation and the Manner of Using Them : Compiled from Various AuthorsOliver D. Cooke, 1808 - 168 páginas |
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Página 61
... Departure , * or by the Table of Natural Sines , † the Northing or Southing , Easting or Westing made on each Course , and set them down against their sev- eral Courses , in their proper Columns , marked N. S. E. W. Note . To determine ...
... Departure , * or by the Table of Natural Sines , † the Northing or Southing , Easting or Westing made on each Course , and set them down against their sev- eral Courses , in their proper Columns , marked N. S. E. W. Note . To determine ...
Página 62
... Departure . The several Columns being added , the Northings are found to exceed the Southings 47 Links ; and the ... Column , or a Column of Meridian Distances ; which shows how far the end of each Side of the Field is East or West of ...
... Departure . The several Columns being added , the Northings are found to exceed the Southings 47 Links ; and the ... Column , or a Column of Meridian Distances ; which shows how far the end of each Side of the Field is East or West of ...
Página 63
... departure Column , the numbers in which show the Sum of the Meridian Distances at the end of the first and second , second and third , third and fourth Courses , & c . The first number in this Column will be the first in the other Departure ...
... departure Column , the numbers in which show the Sum of the Meridian Distances at the end of the first and second , second and third , third and fourth Courses , & c . The first number in this Column will be the first in the other Departure ...
Página 64
... Departure Column , and which represents the Sum of the two Lines 3 C and 2B . These two Lines with the Line 2 , 3 which represents the Northing made by the second course , and the Line BC , one of the Sides of the Field , form a Rigt ...
... Departure Column , and which represents the Sum of the two Lines 3 C and 2B . These two Lines with the Line 2 , 3 which represents the Northing made by the second course , and the Line BC , one of the Sides of the Field , form a Rigt ...
Página 65
... Departure Column . The Line 4G 44.77 . added to the Line 5H 21.02 make 65.79 the seventh number in the second Departure Column . This being multiplied by 32.21 the length of the Line 4 , 5- which is the Southing of the seventh Course ...
... Departure Column . The Line 4G 44.77 . added to the Line 5H 21.02 make 65.79 the seventh number in the second Departure Column . This being multiplied by 32.21 the length of the Line 4 , 5- which is the Southing of the seventh Course ...
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System of Geometry and Trigonometry: Together with a Treatise on Surveying ... Abel Flint Sin vista previa disponible - 2017 |
System of Geometry and Trigonometry: Together With a Treatise on Surveying ... Abel Flint Sin vista previa disponible - 2017 |
Términos y frases comunes
Angle opposite Bearing and Distance C.Tang Chord Circle Circumference Co-Sine Sine Compass contained Angle Decimals Degrees and Minutes Dep Lat Diagonal Difference Dist divided Doub Double Area double the Area draw a Line Draw the Line EXAMPLE FIELD BOOK find the Angles find the Area find the Leg given Leg given number given Side Lat Dep Latitude and Departure Leg AB Leg BC length Loga Logarithmic Sine measuring Meridian multiply Natural Sines North Areas Note number of Acres number of Degrees Offset opposite Angle Parallelogram PLATE Plot PROB PROBLEM protract Quotient Radius Remainder Rhombus Right Angled Triangle RULE Secant Co-Secant Side BC Sine Co-Sine Tangent Sine Sine Sine South Areas Square Chains Square Links Square Root stationary Lines subtract survey a Field Surveyor Table of Logarithms Table of Natural Tangent Co-Secant Secant Tangent or Secant Trapezium Trapezoid Triangle ABC TRIGONOMETRY
Pasajes populares
Página 10 - 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.
Página 31 - TO THEIR DIFFERENCE ; So IS THE TANGENT OF HALF THE SUM OF THE OPPOSITE ANGLES', To THE TANGENT OF HALF THEIR DIFFERENCE.
Página 32 - As the base or sum of the segments Is to the sum of the other two sides, So is the difference of those sides To the difference of the segments of the base.
Página 10 - The Radius of a circle is a line drawn from the centre to the circumference.
Página 78 - Go to any part of the premises where any two adjacent corners are known ; and if one can be seen from the other, take their bearing ; which, compared with that of the same line in the former survey, shows the difference. But if one corner cannot be seen from the other, run the line according to the given bearing, and observe the nearest distance between the line so run and the corner ; then...
Página 44 - Field work and protraction are truly taken and performed ; if not, an error must have been committed in one of them : In such cases make a second protraction ; if this agrees with the former, it is to be presumed the fault is in the Field work ; a re- survey must then be taken.
Página 14 - Figures which consist of more than four sides' are called polygons; if the sides are equal to each other they are called regular polygons, and are sometimes named from the number of their sides, as pentagon, or hexagon, a figure of five or six sides, &c.; if the sides are unequal, they are called irregular polygons.
Página 44 - Let his attention first be directed to the map, and inform him that the top is north, the bottom south, the right hand east, and the left hand west.
Página 27 - The square of the hypothenuse is equal to the sum of the squares of the other two sides ; as, 5033 402+302.
Página 39 - To find the area of a trapezoid. RULE. — Multiply half the sum of the parallel sides by the altitude, and the product is the area.