# Elements of Drawing and Mensuration Applied to the Mechanic Arts: A Book for the Instruction and Use of Practical Men

Barnes, 1846 - Geometrical drawing - 240 pages

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### Contents

 OF LINEs AND ANGLEs 13 Of ARCHITECTURE 97 ORDERs of ARCHITECTURETheir Parts 102104 102 MENSURAtion of SURFACEs 109 Page 184
 CARPENTERS AND JoineRs WoRK 207 SECTION VI 210 Laws of Motion AND CENTRE of GRAVITY 219 SECTION IV 234

### Popular passages

Page 17 - Each degree is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds.
Page 113 - 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.
Page 172 - A zone is a portion of the surface of a sphere, included between two parallel planes which form its bases.
Page 151 - 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?
Page 174 - The surface of a sphere is equal to the product of its diameter by the circumference of a great circle.
Page 227 - 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...
Page 113 - The area of a triangle is equal to half the product of the base and height.
Page 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.
Page 127 - 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.