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 ... |
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Seite 36
RULE . If the number of Two Rod Chains be even take half the number for Four
Rod Chains , and annex the Links if any : Thus , 16 Two Rod Chains and 37
Links make 8 Four Rod Chains and 37 Links . But if the number of Chains be odd
...
RULE . If the number of Two Rod Chains be even take half the number for Four
Rod Chains , and annex the Links if any : Thus , 16 Two Rod Chains and 37
Links make 8 Four Rod Chains and 37 Links . But if the number of Chains be odd
...
Seite 37
RULE . Divide by 100000 ; or , which is the same thing , cut off the 5 Right hand
figures : Thus , 3845120 Square Links make 38 Acres and 45120 Decimals .
Note . When the Area of a Field , by which is meant its Superficial Contents , is ...
RULE . Divide by 100000 ; or , which is the same thing , cut off the 5 Right hand
figures : Thus , 3845120 Square Links make 38 Acres and 45120 Decimals .
Note . When the Area of a Field , by which is meant its Superficial Contents , is ...
Seite 40
Rule 3 . PROBLEM XII . To find the Area of a Figure containing more than Four
Sides . Rule . Divide the Figure into Triangles and Trapezia , by drawing as many
Diagonals as are necessary ; which Diagonals must be so drawn as not to ...
Rule 3 . PROBLEM XII . To find the Area of a Figure containing more than Four
Sides . Rule . Divide the Figure into Triangles and Trapezia , by drawing as many
Diagonals as are necessary ; which Diagonals must be so drawn as not to ...
Seite 48
Rule 4 . Another Method of protracting Fields . Without drawing parallel Lines at
the end of each Side , a Field may be ... the Angles made by the several Sides ;
and the Angle made between any two Sides may be found by the following Rules
.
Rule 4 . Another Method of protracting Fields . Without drawing parallel Lines at
the end of each Side , a Field may be ... the Angles made by the several Sides ;
and the Angle made between any two Sides may be found by the following Rules
.
Seite 49
To draw a Plot of this Field , according to the preceding Rules . ... Distance ,
compare the first and second Courses together , and they will be found to be both
Northerly and both Easterly ; consequently the Angle between them is found by
Rule ...
To draw a Plot of this Field , according to the preceding Rules . ... Distance ,
compare the first and second Courses together , and they will be found to be both
Northerly and both Easterly ; consequently the Angle between them is found by
Rule ...
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SYSTEM OF GEOMETRY & TRIGONOME Abel 1765-1825 Flint,George Gillet,Frederick a. P. (Frederick Augu Barnard Keine Leseprobe verfügbar - 2016 |
SYSTEM OF GEOMETRY & TRIGONOME Abel 1765-1825 Flint,George Gillet,Frederick a. P. (Frederick Augu Barnard Keine Leseprobe verfügbar - 2016 |
Häufige Begriffe und Wortgruppen
according accurately added Angle Arch Base Bearing calculated called Chains Circle Co-Sine Sine Compass contained Course Decimals describe Diagonal Difference directions Dist Distance divided double draw drawn Elongation equal EXAMPLE Field FIELD BOOK Figure find the Angle find the Area four fourth give given greater half hand Hypothenuse Land Left Leg BC length less Line Links Logarithms manner measuring method Minutes multiply Natural Sines Needle North North Areas Note number of Degrees observe opposite parallel particular Perpendicular PLATE Plot Point practice preceding PROBLEM Product Proportion protract Quotient Radius Remainder represent Right Angled Rods Roods Rule Secant Co-Secant seen Side Sine Co-Sine Sine Sine Sine Square Square Root Star Station subtract Surveying Surveyor Table Tang Tangent Co-Secant Secant third Trapezoid Triangle TRIGONOMETRY true whole
Beliebte Passagen
Seite 28 - 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.
Seite 27 - TO THEIR DIFFERENCE ; So IS THE TANGENT OF HALF THE SUM OF THE OPPOSITE ANGLES', To THE TANGENT OF HALF THEIR DIFFERENCE.
Seite 6 - 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.
Seite 24 - In this case the" hypothenuse may be found by the square root without finding the angles ; according to the following PROPOSITION. IN EVERY RIGHT ANGLED TRIANGLE, THE SUM OF THE SQUARES OF THE TWO LEGS IS EQUAL TO THE SQUARE OF THE HYPOTHENUSE. In the above EXAMPLE, the square of AB 78.7 is 6193.69, the square of BC 89 is 7921 ; these added make 14114,69 the square root of which is nearest 119.
Seite 40 - 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.
Seite 33 - To find the area of a trapezoid. RULE. Multiply half the sum of the two parallel sides by the perpendicular distance between them : the product will be the area.
Seite 6 - Therefore all radii of the same circle are equal. 13. The diameter of a circle is a right line drawn from one side of the circumference to the other, passing through the centre ; and it divides the circle into two equal parts, called semicircles ; as AB or DE.
Seite 40 - 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.
Seite 23 - The square of the hypothenuse is equal to the sum of the squares of the other two sides ; as, 5033 402+302.
Bibliografische Informationen
| Titel | 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 ... |
| Autor/in | Abel Flint |
| Zusammengestellt von | Abel Flint |
| Verlag | Oliver D. Cooke, 1804 |
| Original von | University of Michigan |
| Digitalisiert | 29. Mai 2007 |
| Länge | 168 Seiten |
| Zitat exportieren | BiBTeX EndNote RefMan |