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 iii
... called upon to make plans in the mechanic arts , feel that they have hardly time to go through with a full course of exact demonstration . The system of Geometry is a connected chain of rig- orous logic . Every attempt to compress the ...
... called upon to make plans in the mechanic arts , feel that they have hardly time to go through with a full course of exact demonstration . The system of Geometry is a connected chain of rig- orous logic . Every attempt to compress the ...
Σελίδα 13
... called ? The Extremities of a Line are called points ; and any place between the extremities , is also called a point . 3. What is a straight line ? A Straight Line , is the shortest dis- tance from one point to another . Thus , AB is a ...
... called ? The Extremities of a Line are called points ; and any place between the extremities , is also called a point . 3. What is a straight line ? A Straight Line , is the shortest dis- tance from one point to another . Thus , AB is a ...
Σελίδα 14
... called Horizontal Lines . Thus , the eaves of a house are horizontal . 12. What are vertical lines ? All plumb lines are called Vertical Lines . Thus , trees and plants grow in vertical lines . 13. What is an angle ? How is it read ? An ...
... called Horizontal Lines . Thus , the eaves of a house are horizontal . 12. What are vertical lines ? All plumb lines are called Vertical Lines . Thus , trees and plants grow in vertical lines . 13. What is an angle ? How is it read ? An ...
Σελίδα 15
... called a curvilinear angle : Or , by two curves AC , AB , forming the angle A : Or , by a straight line and curve , which is called a mixtilinear angle . We B A- B 15. When is one line said to be perpendicular to another ? · One line is ...
... called a curvilinear angle : Or , by two curves AC , AB , forming the angle A : Or , by a straight line and curve , which is called a mixtilinear angle . We B A- B 15. When is one line said to be perpendicular to another ? · One line is ...
Σελίδα 16
... called ? When two lines are perpendicular to each other , the angles which they form are called right angles . Thus , DBA and DBC are right angles . Hence , all right angles are equal to each other . 17. What is an acute angle ? An ...
... called ? When two lines are perpendicular to each other , the angles which they form are called right angles . Thus , DBA and DBC are right angles . Hence , all right angles are equal to each other . 17. What is an acute angle ? An ...
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.