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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Αποτελέσματα 1 - 5 από τα 12.
Σελίδα 81
... roof to be a regular pitch roof . Therefore , bisect the last - drawn line , in order to find the middle of the building ; and from the point of bisection raise a perpendicular , to show the height of the roof . From the extremi- ties ...
... roof to be a regular pitch roof . Therefore , bisect the last - drawn line , in order to find the middle of the building ; and from the point of bisection raise a perpendicular , to show the height of the roof . From the extremi- ties ...
Σελίδα 82
... roof ; also , its projection over the walls , if formed with eaves . These , and other details might easily have been represented , by adding a few more lines . The d a Plan . Section . a b c d rough section of the cottage is now ...
... roof ; also , its projection over the walls , if formed with eaves . These , and other details might easily have been represented , by adding a few more lines . The d a Plan . Section . a b c d rough section of the cottage is now ...
Σελίδα 84
... roof of the cottage . 1 2 3 4 5 2 3 4 5 6 From the points 2 and 3 of the ground line of the eleva- tion , which represent the width of the door , raise perpen- diculars to show the height of the door . Find the proper length of these ...
... roof of the cottage . 1 2 3 4 5 2 3 4 5 6 From the points 2 and 3 of the ground line of the eleva- tion , which represent the width of the door , raise perpen- diculars to show the height of the door . Find the proper length of these ...
Σελίδα 85
... roof is now alone wanting . The length of the roof must of course be equal to the length of the building , and the height of it may be found by referring to the section . It is a general rule , in geometrical elevations , never to ...
... roof is now alone wanting . The length of the roof must of course be equal to the length of the building , and the height of it may be found by referring to the section . It is a general rule , in geometrical elevations , never to ...
Σελίδα 86
... roof , are shown in the section and elevation , and are equal in both . But the particular form of the roof is clearly explained in the section only . REMARKS ON ELEVATIONS . 22. An elevation is always supposed to be drawn on a vertical ...
... roof , are shown in the section and elevation , and are equal in both . But the particular form of the roof is clearly explained in the section only . REMARKS ON ELEVATIONS . 22. An elevation is always supposed to be drawn on a vertical ...
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.