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 78
... 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 generally make use of a chain that is ...
... 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 generally make use of a chain that is ...
Seite 79
... . 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 chains to acres . pole chains = 54.56 perches . MEASURING LAND . 79.
... . 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 chains to acres . pole chains = 54.56 perches . MEASURING LAND . 79.
Seite 80
... acres . RULE . Divide by 10 , and the quotient will be acres . If there be decimals in the quotient , multiply by 4 and by 40 to obtain the roods and perches . EXAMPLE . In 523.2791 square chains , how many acres ? 10 ) 523.2791 ...
... acres . RULE . Divide by 10 , and the quotient will be acres . If there be decimals in the quotient , multiply by 4 and by 40 to obtain the roods and perches . EXAMPLE . In 523.2791 square chains , how many acres ? 10 ) 523.2791 ...
Seite 91
... Acres = 61A . 2R . 2. What is the area of a triangular field whose sides measure 10.64 , 12.28 and 9.00 chains ? Ans . 4A . 2R . 26P . 3. What quantity of land is contained in a triangle , the sides of which are 20 , 30 and 40 chains ...
... Acres = 61A . 2R . 2. What is the area of a triangular field whose sides measure 10.64 , 12.28 and 9.00 chains ? Ans . 4A . 2R . 26P . 3. What quantity of land is contained in a triangle , the sides of which are 20 , 30 and 40 chains ...
Seite 100
... rule is too abstruse to admit of a place in this work . The student who wishes to see a demonstration is referred to treatises EXAMPLES . 1. How many acres are in a circle on Mensuration or Fluxions . 100 MEASURING LAND .
... rule is too abstruse to admit of a place in this work . The student who wishes to see a demonstration is referred to treatises EXAMPLES . 1. How many acres are in a circle on Mensuration or Fluxions . 100 MEASURING LAND .
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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.