A Treatise on Surveying, Containing the Theory and Practice: To which is Prefixed a Perspicuous System of Plane Trigonometry. The Whole Clearly Demonstrated and Illustrated by a Large Number of Appropriate Examples. Particularly Adapted to the Use of SchoolsKimber & Richardson, 1814 - 346 σελίδες |
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Σελίδα 103
... meridian line ; then N standing for the north and S for the south , the east ... distance from A to B. Now apply the centre of the protractor to the point B ... meridian NS ; hold it in this position and from the south end prick off the ...
... meridian line ; then N standing for the north and S for the south , the east ... distance from A to B. Now apply the centre of the protractor to the point B ... meridian NS ; hold it in this position and from the south end prick off the ...
Σελίδα 106
... distance that one end of the line is north or south from the other end ; or it is the distance which is intercepted on the meridian , be- tween the beginning of the stationary line and a line drawn from the other end , perpendicular to ...
... distance that one end of the line is north or south from the other end ; or it is the distance which is intercepted on the meridian , be- tween the beginning of the stationary line and a line drawn from the other end , perpendicular to ...
Σελίδα 111
... meridian distances for the several lines in the order , in which they were surveyed . Thus beginning at the place chosen , the first departure will be the first meri- dian distance , which place in the column of meridian distances ...
... meridian distances for the several lines in the order , in which they were surveyed . Thus beginning at the place chosen , the first departure will be the first meri- dian distance , which place in the column of meridian distances ...
Σελίδα 112
... meridian distance ; to this add the same departure Hh or ma , and the sum Hh + ma will be the next meridian distance ; the next depar- ture Am being also east , add it twice , and the sums Hh + Aa and Aa + bg will be the two next meridian ...
... meridian distance ; to this add the same departure Hh or ma , and the sum Hh + ma will be the next meridian distance ; the next depar- ture Am being also east , add it twice , and the sums Hh + Aa and Aa + bg will be the two next meridian ...
Σελίδα 113
... distances is the sum of two adjacent meridian dis- tances ; but to avoid the too frequent repetition of the word sum , it is denominated simply a meridian distance . EXAMPLE 1 . The following field - notes are given to find the area of ...
... distances is the sum of two adjacent meridian dis- tances ; but to avoid the too frequent repetition of the word sum , it is denominated simply a meridian distance . EXAMPLE 1 . The following field - notes are given to find the area of ...
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Σελίδα 2 - An Act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies during the times therein mentioned." And also to the act, entitled " An Act supplementary to an Act, entitled, " An Act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies during the time therein mentioned," and extending the benefits thereof to the arts of designing, engraving, and...
Σελίδα 97 - To find the Area of a Triangle when the Three Sides are given. Rule. — From half the sum of the three sides subtract each side separately.
Σελίδα 43 - The angle at the centre of a circle is double of the angle at the circumference upon the same base, that is, upon the same part of the circumference.
Σελίδα 34 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Σελίδα 2 - Co. of the said district, have deposited in this office the title of a book, the right whereof they claim as proprietors, in the words following, to wit : " Tadeuskund, the Last King of the Lenape. An Historical Tale." In conformity to the Act of the Congress of the United States...
Σελίδα 85 - A maypole, whose top was broken off by a blast of wind, struck the ground at 15 feet distance from the foot of the pole: what was the height of the whole maypole, supposing the broken piece to measure 39 feet in length ? Ans.
Σελίδα 25 - A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line.
Σελίδα 26 - Parallel straight lines are such as are in the same plane, and which being produced ever so far both ways, do not meet.
Σελίδα 91 - PROBLEM I. To find the area of a parallelogram; whether it be a square, a rectangle, a rhombus, or a rhomboides. RULE.* Multiply the length by the perpendicular height, and the product will be the area.
Σελίδα 96 - If one side and the angles are given ; then As the product of radius and the sine of the angle opposite the given side, To the product of the sines of the two other angles ; So is the square of the given side, To twice the area of the triangle. If PC (Fig.