A System of Land Surveying and Levelling: Wherein is Demonstrated the Theory with Numerous Practical Examples, as Applied to All Operations, Either Relative to the Land Surveyor, Or Civil and Military EngineerK. Chapman, 1815 - 164 من الصفحات |
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عبارات ومصطلحات مألوفة
A B and C D A B D acre angle A B C angle B A C angular point base bisect boundary centre chain circumference circumscribing circle column construct the triangle crooked line decimal describe the circle diagonal diameter dimensions distance divided double the angle draw ellipse equal to A B fence field figure given point half Heptagon inch intersection isoceles triangle join LANDSURVEYING length line A B Logar Logarithm mark multiply Natural Numbers number of equal offsets Parallel Rulers parallel to A B parallelogram polygon PROBLEM proof lines proportional Protraction Published by P.Fleming radius ratio rectangle right angles right line sector segment semicircle sides A B station line straight line subtense subtract Theor THEOREM trapezium trapezoid triangle A B C Vulgar Fraction whole
مقاطع مشهورة
الصفحة ix - If a straight line touch a circle, and from the point of contact a straight line be drawn at right angles to the touching line, the centre of the circle shall be in that line.
الصفحة 27 - If a straight line touch a circle, the straight line drawn from the centre to the point of contact shall be perpendicular to the line touching the circle. Let...
الصفحة ix - IN a right-angled triangle, if a perpendicular be drawn from the right angle to the base, the triangles on each side of it are similar to the whole triangle, and to one another.
الصفحة 38 - The decimal of ^ = -4375 ; and the logarithm of this decimal is = -1.640978 or, subtract the logarithm of the denominator from the logarithm of the numerator, and the remainder will be the logarithm, which, being that of a decimal fraction, must always have a negative index.
الصفحة viii - The angle at the centre of a circle is double the angle at the circumference on the same arc.
الصفحة 40 - Add the logarithms of the second and third terms together, and from the sum subtract the logarithm of the first term, the remainder will be the logarithm of the fourth term.
الصفحة 28 - The sign of equality, called equal, or equal to, signifies that the quantities between which it is placed are equal to each other.
الصفحة 106 - Ltldvati, say what is the area of a circle, the diameter of which is measured by seven?
الصفحة 1 - Prob. 7. Through a given point C, to draw a line parallel to a given line AB.
الصفحة 28 - The first term of a ratio is called the antecedent, and the second term the consequent.