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, 1804 - 168 σελίδες |
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Σελίδα vii
... of plotting the Field . To this Section is added a use- ful Problem for ascertaining the true Area of a Field which has been measured . by a Chain too long or too elements of Surveying upon a larger scale ; and the short . PREFACE . vii.
... of plotting the Field . To this Section is added a use- ful Problem for ascertaining the true Area of a Field which has been measured . by a Chain too long or too elements of Surveying upon a larger scale ; and the short . PREFACE . vii.
Σελίδα 7
... of plotting the Field . To this Section is added a use- ful Problem for ascertaining the true Area of a Field which has been measured . by a Chain too long or too Part second treats of laying out Land in various shapes short . PREFACE .
... of plotting the Field . To this Section is added a use- ful Problem for ascertaining the true Area of a Field which has been measured . by a Chain too long or too Part second treats of laying out Land in various shapes short . PREFACE .
Σελίδα 16
... Chains , the Angle at C 35 ° 30 ′ and consequently the Angle at A 54 ° 30 ' . See Note after the 39th Geometrical Defi nition . Note . When Degrees and Minutes are expressed , they are distinguished from each other by a small Cypher at ...
... Chains , the Angle at C 35 ° 30 ′ and consequently the Angle at A 54 ° 30 ' . See Note after the 39th Geometrical Defi nition . Note . When Degrees and Minutes are expressed , they are distinguished from each other by a small Cypher at ...
Σελίδα 22
... Chains ; the Angle at A 35 ° 30 ′ , and con- sequently the Angle at C 54 ° 30 ' ; to find the Legs . Making the Hypothenuse Radius , the Proportions will be ; To find the Leg AB . As Radius : Hyp . AC , 25 · 10.00000 1.39794 :: Sine ACB ...
... Chains ; the Angle at A 35 ° 30 ′ , and con- sequently the Angle at C 54 ° 30 ' ; to find the Legs . Making the Hypothenuse Radius , the Proportions will be ; To find the Leg AB . As Radius : Hyp . AC , 25 · 10.00000 1.39794 :: Sine ACB ...
Σελίδα 35
... Chain , which is in length 4 Rods or 66 Feet ; and is divided into 100 equal parts , called Links , each containing 7 Inches and 92 Hun- dredths . Consequently , 1 Square Chain contains 16 Square Rods , and 10 Square Chains make 1 Acre ...
... Chain , which is in length 4 Rods or 66 Feet ; and is divided into 100 equal parts , called Links , each containing 7 Inches and 92 Hun- dredths . Consequently , 1 Square Chain contains 16 Square Rods , and 10 Square Chains make 1 Acre ...
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System of Geometry and Trigonometry: Together with a Treatise on Surveying ... Abel Flint Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
System of Geometry and Trigonometry: Together With a Treatise on Surveying ... Abel Flint Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
Δημοφιλή αποσπάσματα
Σελίδα 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.
Σελίδα 27 - TO THEIR DIFFERENCE ; So IS THE TANGENT OF HALF THE SUM OF THE OPPOSITE ANGLES', To THE TANGENT OF HALF THEIR DIFFERENCE.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 23 - The square of the hypothenuse is equal to the sum of the squares of the other two sides ; as, 5033 402+302.