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 49
... tangent to 10 places , and opposite to that the complementary angle with its tangent , also to 10 places . This second tangent is , of course , the co - tangent of the first angle . From 45 ° to 60 ° some of the tangents , particularly ...
... tangent to 10 places , and opposite to that the complementary angle with its tangent , also to 10 places . This second tangent is , of course , the co - tangent of the first angle . From 45 ° to 60 ° some of the tangents , particularly ...
Σελίδα xi
... Tangent Externally to Two Given Curves ...... 154 To Locate a Curve Tangent to One Curve Externally and to Another Curve Internally .. To Find a Curve Tangent to a Given Curve and to a Straight Line that Intersects the Curve ..... To ...
... Tangent Externally to Two Given Curves ...... 154 To Locate a Curve Tangent to One Curve Externally and to Another Curve Internally .. To Find a Curve Tangent to a Given Curve and to a Straight Line that Intersects the Curve ..... To ...
Σελίδα xi
... Tangent of Half of the Quad- rant is Radius . The Secant of O De- grees is Radius . 5. The Natural Number of the Co- fine , fubtracted from Radius ; there remains the Natural Verfed Sine of the fame Arch , and its Logarithm is the Log ...
... Tangent of Half of the Quad- rant is Radius . The Secant of O De- grees is Radius . 5. The Natural Number of the Co- fine , fubtracted from Radius ; there remains the Natural Verfed Sine of the fame Arch , and its Logarithm is the Log ...
Σελίδα xiv
... tangent of 0 ° 27 ′ 36 ′′ . Tabular number from page 114 , The logarithm of 1656 ′′ is 4.685585 . 3.219060 . Logarithmic tangent of 0 ° 27 ' 36 " is 7.904645 . The column headed log . cot . A + log . A " is found by adding the log ...
... tangent of 0 ° 27 ′ 36 ′′ . Tabular number from page 114 , The logarithm of 1656 ′′ is 4.685585 . 3.219060 . Logarithmic tangent of 0 ° 27 ' 36 " is 7.904645 . The column headed log . cot . A + log . A " is found by adding the log ...
Σελίδα 19
... tangent to S2 at Y. Since PY is a generator of S✶ and Y is in a , the plane tangent to S2 at cuts π in a tangent to D. Since the tangent plane at Y contains A , every line in it projects into this tangent to D from O. In particular the ...
... tangent to S2 at Y. Since PY is a generator of S✶ and Y is in a , the plane tangent to S2 at cuts π in a tangent to D. Since the tangent plane at Y contains A , every line in it projects into this tangent to D from O. In particular the ...
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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.