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 7
... bearings and distances of the boundaries are given • • • SECT . III . Containing Off - setts and Intersec- tions • Laying out and dividing land Variation of the Compass Local attraction ib . 83 106 · 134 148 188 197 EXPLANATION OF THE ...
... bearings and distances of the boundaries are given • • • SECT . III . Containing Off - setts and Intersec- tions • Laying out and dividing land Variation of the Compass Local attraction ib . 83 106 · 134 148 188 197 EXPLANATION OF THE ...
Σελίδα 80
... the com- mencement of the succeeding chain . The bearing or course of a line is its situation in re- A line running due north and south is called a spect to the north and south points of the horizon . 80 MEASURING LAND .
... the com- mencement of the succeeding chain . The bearing or course of a line is its situation in re- A line running due north and south is called a spect to the north and south points of the horizon . 80 MEASURING LAND .
Σελίδα 81
... bearing of a line is expressed by the angle con- tained between it , and a meridian line passing through one of its ... bearing of a line taken at one end , is the reverse of the bearing of the same line taken at the other end : * thus ...
... bearing of a line is expressed by the angle con- tained between it , and a meridian line passing through one of its ... bearing of a line taken at one end , is the reverse of the bearing of the same line taken at the other end : * thus ...
Σελίδα 82
... bearing of one of the lines is be- tween the north and east and the other between the north and west , or when one is between the south and east and the other between the south and west , add them toge- ther ; the sum will be the angle ...
... bearing of one of the lines is be- tween the north and east and the other between the north and west , or when one is between the south and east and the other between the south and west , add them toge- ther ; the sum will be the angle ...
Σελίδα 93
... bearings and distances , viz . AB , N. 24 ° E. dist . 6.90Ch . BC , N. 64 ° 40 ′ E. CD , S. 35 ° 20 ′ E. dist . 11.50Ch . and DA , S. 88 ° W .: required the area . Fig . 71 . * DEMONSTRATION . Let AB , CD , Fig . 71. be the given sides ...
... bearings and distances , viz . AB , N. 24 ° E. dist . 6.90Ch . BC , N. 64 ° 40 ′ E. CD , S. 35 ° 20 ′ E. dist . 11.50Ch . and DA , S. 88 ° W .: required the area . Fig . 71 . * DEMONSTRATION . Let AB , CD , Fig . 71. be the given sides ...
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A Treatise on Surveying: Containing the Theory and Practice: To Which Is ... John Gummere Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
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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.