Elements of Drawing and Mensuration Applied to the Mechanic Arts: A Book for the Instruction and Use of Practical MenBarnes, 1846 - 240 σελίδες |
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Σελίδα 16
... follows ? If two lines intersect each other , the opposite angles A and A are called vertical angles . These an- gles are equal to each other , and so also are the opposite angles B and B. > E 20. What follows when two parallel lines ...
... follows ? If two lines intersect each other , the opposite angles A and A are called vertical angles . These an- gles are equal to each other , and so also are the opposite angles B and B. > E 20. What follows when two parallel lines ...
Σελίδα 17
... follows ? If oblique lines be drawn , as DC , DF , then : - 1st . The perpendicular DB , will be shorter than any of the oblique lines . 2d . The oblique lines which are nearest the perpendic- ular , will be less than those which are ...
... follows ? If oblique lines be drawn , as DC , DF , then : - 1st . The perpendicular DB , will be shorter than any of the oblique lines . 2d . The oblique lines which are nearest the perpendic- ular , will be less than those which are ...
Σελίδα 28
... follows , that when an angle at the centre and an angle at the circumference stand on the same arc BD , the angle at the centre will be double the angle at the circumference . 17. What is the sum of the three an- gles of any triangle ...
... follows , that when an angle at the centre and an angle at the circumference stand on the same arc BD , the angle at the centre will be double the angle at the circumference . 17. What is the sum of the three an- gles of any triangle ...
Σελίδα 29
... follows ? If from the centre of a circle a line be drawn perpendicular to a chord , it will bisect the chord , and also the arc of the chord . Thus , CFE drawn from the cen- tre C , perpendicular to AB , bi- sects AB at F , and also ...
... follows ? If from the centre of a circle a line be drawn perpendicular to a chord , it will bisect the chord , and also the arc of the chord . Thus , CFE drawn from the cen- tre C , perpendicular to AB , bi- sects AB at F , and also ...
Σελίδα 36
... follows that the distance measured on that line between ad and af is one - tenth of df : but since one- tenth of a tenth is a hundredth , it follows that this distance is one hundredth ( .01 ) of the unit of the scale . A like dis ...
... follows that the distance measured on that line between ad and af is one - tenth of df : but since one- tenth of a tenth is a hundredth , it follows that this distance is one hundredth ( .01 ) of the unit of the scale . A like dis ...
Άλλες εκδόσεις - Προβολή όλων
Elements of Drawing and Mensuration Applied to the Mechanic Arts. a Book for ... Charle Davies Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Συχνά εμφανιζόμενοι όροι και φράσεις
12 feet 20 feet 9 inches ABCD altitude axis bisect body breadth called cavetto centre of gravity chains chord circular sector circumference cone convex surface cornice cottage cubic feet cubic foot cubic ft cubic inches curve cylinder decimal describe dimensions distance divided draw drawn ellipse entablature entire surface equal equilateral triangle EXAMPLES feet 6 inches figure find the area find the solidity frustum geometrical given line given point half Hence horizontal lines inscribed length lower base measure moulding Multiply nonagon object oblique elevation oblique lines ovolo parallel parallelogram pentagon perpendicular plane of projection polygon prism pulley pyramid quadrilateral radius rectangle regular represent Required the area right angles roof scale secant line segment shade side slant height solid content solid ft specific gravity sphere square feet square pyramid square yards straight line thickness upper base vertical
Δημοφιλή αποσπάσματα
Σελίδα 17 - Each degree is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds.
Σελίδα 111 - The area of a rectangle is equal to the product of its base and altitude. Given R a rectangle with base b and altitude a. To prove R = a X b. Proof. Let U be the unit of surface. .R axb U' Then 1x1 But - is the area of R.
Σελίδα 170 - A zone is a portion of the surface of a sphere, included between two parallel planes which form its bases.
Σελίδα 149 - Multiply the area of the base by the altitude, and the product will be the solidity. 1. What is the solidity of a cylinder 8 feet in length and 2 feet in diameter?
Σελίδα 172 - The surface of a sphere is equal to the product of its diameter by the circumference of a great circle.
Σελίδα 225 - An equilibrium is produced in all the levers, when the weight multiplied by its distance from the fulcrum is equal to the product of the power multiplied by its distance from the fulcrum. That...
Σελίδα 111 - The area of a triangle is equal to half the product of the base and height.
Σελίδα 23 - The square described on the hypothenuse of a rightangled triangle is equal to the sum of the squares described on the other two sides.
Σελίδα 240 - As the tabular specific gravity of the body, Is to its weight in avoirdupois ounces, So is one cubic foot^ or 1728 cubic inches, To its content in feet, or inches, respectively.
Σελίδα 125 - Similar figures, are those that have all the angles of the one equal to all the angles of the other, each to each, and the sides about the equal angles proportional.