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 31
... set off equal distances AD and AE ; with the centres D and E and any distance more than half D E describe two arcs cutting each other in F ; from A through F draw the line A G , and it will bisect the angle BAC . PROBLEM VIII . To make ...
... set off equal distances AD and AE ; with the centres D and E and any distance more than half D E describe two arcs cutting each other in F ; from A through F draw the line A G , and it will bisect the angle BAC . PROBLEM VIII . To make ...
Σελίδα 32
... off dimensions or numbers of three figures . If the first large divisions be units , the second set of divisions , along EB , will be & will be 100th parts . If HE be tens 10th parts ; and the divisions in the altitude , along BC , 32 ...
... off dimensions or numbers of three figures . If the first large divisions be units , the second set of divisions , along EB , will be & will be 100th parts . If HE be tens 10th parts ; and the divisions in the altitude , along BC , 32 ...
Σελίδα 33
... set of di- visions being tenth parts of the former ones . For example , suppose it were required to take off 242 from the scale . Extend the dividers from E to 2 towards H ; and with one leg fixed in the point 2 , extend the other till ...
... set of di- visions being tenth parts of the former ones . For example , suppose it were required to take off 242 from the scale . Extend the dividers from E to 2 towards H ; and with one leg fixed in the point 2 , extend the other till ...
Σελίδα 134
... Off - sets und Intersections . OFF - SETS . Off - sets are lines drawn or measured , perpendicularly from a stationary line , to the angular points of the land In taking surveys , bounded on some of their sides on either side . 134 ...
... Off - sets und Intersections . OFF - SETS . Off - sets are lines drawn or measured , perpendicularly from a stationary line , to the angular points of the land In taking surveys , bounded on some of their sides on either side . 134 ...
Σελίδα 135
... off - sets . Directions for taking Off - sets . Take as many stations in the irregular boundary as may be most convenient . Then take the bearing from the first station to the second ; and in measuring the dis- tance stop against each ...
... off - sets . Directions for taking Off - sets . Take as many stations in the irregular boundary as may be most convenient . Then take the bearing from the first station to the second ; and in measuring the dis- tance stop against each ...
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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.