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 Schools |
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Page 11
... contained in the following problems . PROBLEM I. To find the logarithm of a given number . If the given number consist of one or two figures only , find it in the column marked No. in the first page of the table , and against it in the ...
... contained in the following problems . PROBLEM I. To find the logarithm of a given number . If the given number consist of one or two figures only , find it in the column marked No. in the first page of the table , and against it in the ...
Page 22
... contain the divisor , increase the index by a number just sufficient to make it exactly divi- sible by it , and carry the units borrowed , as so many tens , to the left hand figure of the decimal part ; then proceed with the division in ...
... contain the divisor , increase the index by a number just sufficient to make it exactly divi- sible by it , and carry the units borrowed , as so many tens , to the left hand figure of the decimal part ; then proceed with the division in ...
Page 27
... call- ed the base ; and the perpendicular CD falling thereon from the opposite angle C , is called the altitude of the 31. All plane figures contained under more than four sides parallelogram , or triangle , Fig . 15 . GEOMETRY . 27.
... call- ed the base ; and the perpendicular CD falling thereon from the opposite angle C , is called the altitude of the 31. All plane figures contained under more than four sides parallelogram , or triangle , Fig . 15 . GEOMETRY . 27.
Page 28
... contained under more than four sides , are called polygons ; of which those having five sides , are called pentagons ; those having six sides , hexagons , and so on . 32. A regular polygon is one whose angles , as well as sides , are ...
... contained under more than four sides , are called polygons ; of which those having five sides , are called pentagons ; those having six sides , hexagons , and so on . 32. A regular polygon is one whose angles , as well as sides , are ...
Page 34
... contained between the two lines that form the angle , the angular point being the centre ; thus the angle ABC , Fig . 30 , is measured by the arc DE , and contains the same number of degrees that the arc does . The measure of a right ...
... contained between the two lines that form the angle , the angular point being the centre ; thus the angle ABC , Fig . 30 , is measured by the arc DE , and contains the same number of degrees that the arc does . The measure of a right ...
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A Treatise on Surveying: Containing the Theory and Practice: To Which Is ... John Gummere No preview available - 2016 |
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Page 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...
Page 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.
Page 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.
Page 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.
Page 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...
Page 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.
Page 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.
Page 26 - Parallel straight lines are such as are in the same plane, and which being produced ever so far both ways, do not meet.
Page 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.
Page 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.