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 13
... distance from A to B. 4. What is a curve line ? A Curve Line , is one which changes its direction at every point . Thus , ABC is a curve line . 5. What does the word line mean ? A- B B Α The word Line , when used by itself , means a ...
... distance from A to B. 4. What is a curve line ? A Curve Line , is one which changes its direction at every point . Thus , ABC is a curve line . 5. What does the word line mean ? A- B B Α The word Line , when used by itself , means a ...
Σελίδα 14
... distance from each other at every point . Parallel lines will never meet each other . 9. When are two curves said to be parallel ? Two curves are said to be parallel or concentric , when they are at the same dis- tance from each other ...
... distance from each other at every point . Parallel lines will never meet each other . 9. When are two curves said to be parallel ? Two curves are said to be parallel or concentric , when they are at the same dis- tance from each other ...
Σελίδα 29
... distance from the centre of a circle to a chord measured ? The distance from the centre of a circle to a chord , is measured on a perpendicular to the chord . 22. How are chords which are equally distant from the centre ? In the same ...
... distance from the centre of a circle to a chord measured ? The distance from the centre of a circle to a chord , is measured on a perpendicular to the chord . 22. How are chords which are equally distant from the centre ? In the same ...
Σελίδα 31
... distance equal to AB ? Take up the dividers with the thumb and second finger , and place the fore - finger on the joint at b . Then , set one foot of the dividers at A , and ex- tend the other leg with the thumb and fingers , until the ...
... distance equal to AB ? Take up the dividers with the thumb and second finger , and place the fore - finger on the joint at b . Then , set one foot of the dividers at A , and ex- tend the other leg with the thumb and fingers , until the ...
Σελίδα 34
... distance AC equal to 3 inches : AC will then represent the given line of 75 feet , drawn to the required scale . 15. What does the last question explain ? The last question explains the method of laying down a line upon paper , in such ...
... distance AC equal to 3 inches : AC will then represent the given line of 75 feet , drawn to the required scale . 15. What does the last question explain ? The last question explains the method of laying down a line upon paper , in such ...
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.