Mathematics for Practical Men: Being a Commonplace Book of Principles, Theorems, Rules and Tables in Various Departments of Pure and Mixed Mathematics, with Their Most Useful Applications; Especially to the Pursuits of Surveyors, Architects, Mechanics and Civil Engineers |
Contents
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Common terms and phrases
arch avoirdupois axis axle balance base bisect body boiler bridge catenary centre of gravity circle circumference column cord cube cubic cubic foot curve cycloid cylinder denominator diameter difference direction distance ditto divided draw drawn ellipse engine equa equal equation feet figure fluid foot fraction frustum given Hence horizontal horse hyperbola isometrical length lever load logarithms London Bridge means measure miles per hour motion move multiply nearly parabola parallel parallelogram pendulum perpendicular pipe piston plane pressure proportion pulley pump quotient radius ratio rectangle right angles right line root ruler sails secant side sine specific gravity square inch steam Suppose surface tangent tion triangle tube unknown quantity valve velocity vertex vertical vibration Vulgar Fractions weight wheel whole
Popular passages
Page 111 - Straight lines are said to be equally distant from the centre of a circle, when the perpendiculars drawn to them from the centre are equal.
Page 40 - In a series of equal ratios, the sum of the antecedents is to the sum of the consequents as any antecedent is to its consequent.
Page 109 - Theorem. — The sum of all the angles of a polygon is equal to twice as many right angles as the polygon has sides, less two.
Page 136 - TO THEIR DIFFERENCE ; So IS THE TANGENT OF HALF THE SUM OF THE OPPOSITE ANGLES ; TO THE TANGENT OF HALF THEIR DIFFERENCE.
Page 112 - If from a point within a circle more than two equal straight lines can be drawn to the circumference, that point is the centre of the circle.
Page 278 - ... it is equal to the weight of a column of the fluid, whose base is the plane, and height — . And, in a globe, it is but half 64 so much.
Page 339 - ... 2. The load at the maximum is nearly, but somewhat less than, as the square of the velocity of the wind ; the shape and position of the sails being the same.
Page 132 - The VERSED SINE of an arc is that part of the diameter which is between the sine and the arc.
Page 41 - Then multiply the second and third terms together, and divide the product by the first term: the quotient will be the fourth term, or answer.
Page 386 - the modulus of elasticity of a substance"" as "a column of the same substance capable of producing a pressure on its base which is to the weight causing a certain degree of compression, as the length of the substance is to the diminution of its length.