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 Seiten |
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Seite 71
... perches , AC 46 perches and BC = 40 perches , wishes to have a well dug in it , that shall be equally distant from the corners A , B and C. What must be its distance from each corner , and by what an- gle from the corner A , may its ...
... perches , AC 46 perches and BC = 40 perches , wishes to have a well dug in it , that shall be equally distant from the corners A , B and C. What must be its distance from each corner , and by what an- gle from the corner A , may its ...
Seite 78
... perches , and 10 square chains make an acre . When the land is uneven or hilly , a four - pole chain is too long to be convenient , and the measures cannot be taken with it as accurately as with one that is shorter . Surveyors therefore ...
... perches , and 10 square chains make an acre . When the land is uneven or hilly , a four - pole chain is too long to be convenient , and the measures cannot be taken with it as accurately as with one that is shorter . Surveyors therefore ...
Seite 79
... perches ; also 15 two - pole chains and 38 links = 31.52 perches . To reduce four - pole chains and links , to perches and decimals of a perch . RULE . Multiply the chains and links by 4. Thus 13.64 four To reduce square four - pole ...
... perches ; also 15 two - pole chains and 38 links = 31.52 perches . To reduce four - pole chains and links , to perches and decimals of a perch . RULE . Multiply the chains and links by 4. Thus 13.64 four To reduce square four - pole ...
Seite 80
... perches . EXAMPLE . In 523.2791 square chains , how many acres ? 10 ) 523.2791 52.32791 4 1.31164 40 12.46560 Ans . 52A . 1R . 12P . Observation on Chaining . All slant or inclined sur- faces , as the sides of a hill , should be ...
... perches . EXAMPLE . In 523.2791 square chains , how many acres ? 10 ) 523.2791 52.32791 4 1.31164 40 12.46560 Ans . 52A . 1R . 12P . Observation on Chaining . All slant or inclined sur- faces , as the sides of a hill , should be ...
Seite 85
... perches , and perpendi- cular breadth CD is 32 perches . Fig . 15 . P. 42.5 32 850 1275 40 ) 1360.0 4 ) 34 8A . 2R . 4. What is the area of a square tract of land , whose side measures 176.4 perches ? Ans . 194A . 1R . 36.96P . 5. What ...
... perches , and perpendi- cular breadth CD is 32 perches . Fig . 15 . P. 42.5 32 850 1275 40 ) 1360.0 4 ) 34 8A . 2R . 4. What is the area of a square tract of land , whose side measures 176.4 perches ? Ans . 194A . 1R . 36.96P . 5. What ...
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A Treatise on Surveying: Containing the Theory and Practice: To Which Is ... John Gummere Keine Leseprobe verfügbar - 2016 |
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Seite 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...
Seite 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.
Seite 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.
Seite 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.
Seite 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...
Seite 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.
Seite 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.
Seite 26 - Parallel straight lines are such as are in the same plane, and which being produced ever so far both ways, do not meet.
Seite 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.
Seite 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.