The Modern Mechanic: A Scientific and Calculator, Comprising Rules and Tables in the Various Departments of Mechanical Skill and LaborBradley, Dayton, 1861 - 305 σελίδες |
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Σελίδα 57
... angles on both sides of it are equal . 12. A line or circle is Tangential , or is a tangent to a circle or other curve , when it touches it without cutting , when both are produced . EDI 57 13. An Angle is the inclination or open- ing of.
... angles on both sides of it are equal . 12. A line or circle is Tangential , or is a tangent to a circle or other curve , when it touches it without cutting , when both are produced . EDI 57 13. An Angle is the inclination or open- ing of.
Σελίδα 58
... Angle is that which is made by one line perpendicular to another . Or when the angles on each side are equal to one another , they are right angles . 16. An Oblique Angle is that which is made by two oblique lines ; and is either less ...
... Angle is that which is made by one line perpendicular to another . Or when the angles on each side are equal to one another , they are right angles . 16. An Oblique Angle is that which is made by two oblique lines ; and is either less ...
Σελίδα 59
... angle . 30. An Acute - angled Triangle has all its three angles acute . 31. A figure of four sides and angles is called a Quad . rangle , or a Quadrilateral . 32. A Parallelogram is a quadrilateral which has both its pairs of opposite ...
... angle . 30. An Acute - angled Triangle has all its three angles acute . 31. A figure of four sides and angles is called a Quad . rangle , or a Quadrilateral . 32. A Parallelogram is a quadrilateral which has both its pairs of opposite ...
Σελίδα 60
... angles are equal . When both these are equal , it is a regular figure . 45. A Circle is a plane figure bounded by a curve line , called the Circumference , which is everywhere equidistant from a certain point within , called its Centre ...
... angles are equal . When both these are equal , it is a regular figure . 45. A Circle is a plane figure bounded by a curve line , called the Circumference , which is everywhere equidistant from a certain point within , called its Centre ...
Σελίδα 61
... angle , or its vertex , to the opposite side , called the base . 55. In a right - angled triangle , the side opposite the right angle is called the Hy- potenuse ; and the other two sides are called the Legs , and sometimes the Base and ...
... angle , or its vertex , to the opposite side , called the base . 55. In a right - angled triangle , the side opposite the right angle is called the Hy- potenuse ; and the other two sides are called the Legs , and sometimes the Base and ...
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The Modern Mechanic: A Scientific and Calculator, Comprising Rules and ... William Grier Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
The Modern Mechanic: A Scientific Guide and Calculator, Comprising Rules and ... William Grier Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2012 |
The Modern Mechanic: A Scientific and Calculator, Comprising Rules and ... William Grier Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
Συχνά εμφανιζόμενοι όροι και φράσεις
absciss avoirdupois axis base beam body breadth called cast iron centre of gravity centre of gyration chord circle circumference column cube root cubic foot cubic inches curve cylinder decimal denominator depth difference divided divisor draw equal feet long feet per second figure fluid foot force fraction fulcrum gallons give given line greater half heat hence horses inclined plane length lever machine measure mechanic minute motion move multiply Myriogramme number of teeth ordinate orifice ounces parabola parallel parallelogram pendulum perpendicular pinion pipe piston pitch plane polygon pounds pressure proportion pulley pump quantity of water quars quotient radius rectangle required number revolutions right angles rule shaft side specific gravity square inch square root steam engine stroke surface thickness tons tube valve velocity vertex vibrations vulgar fractions water wheel weight wheel wherefore yard
Δημοφιλή αποσπάσματα
Σελίδα 20 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Σελίδα 21 - Rule. — Multiply the whole number by the denominator of the fraction, add the numerator to the product and place the denominator under the result.
Σελίδα 23 - The denominator of a decimal, though never expressed, is always the unit, 1, with as many ciphers annexed as there are figures in the decimal.
Σελίδα 121 - Powers, are certain simple instruments, commonly employed for raising greater weights, or overcoming greater resistances, than could be effected by the natural strength without them. These are usually accounted six in number, viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw.
Σελίδα 61 - In a right triangle, the side opposite the right angle is called the hypotenuse and is the longest side.
Σελίδα 57 - Line. 7. A Curve continually changes its direction between its extreme points. 8. Lines are either Parallel, Oblique, Perpendicular, or Tangential. 9. Parallel lines are always at the same perpendicular distance ; and they never meet, though ever so far produced. 10. Oblique lines change their distance, and would meet, if produced on the side of the least distance.
Σελίδα 75 - At a given point A, in a line AB, to make an angle equal to a given angle C. From the centres A and C, with any one radius, describe the arcs DE, FG. Then, with radius DE, and centre F, describe an arc, cutting FG in G. Through G draw the line AG, and it will form the angle required.
Σελίδα 113 - GLAZIERS' WORK. GLAZIERS take their dimensions, either in feet, inches, and parts, or feet, tenths, and hundredths. And they compute their work in square feet. ' In taking the length and breadth of a window, the cross bars between the squares are included. Also windows of round or oval forms are measured as square, measuring them to their greatest length and breadth, on account of the waste in cutting the glass.
Σελίδα 73 - The areas of circles are to each other as the squares of their diameters.
Σελίδα 61 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, &c.