Part 48

=Cut Gears=, desc. 215

=Cylinder=, def. 44

=Cylindrical=, def. 44

=Cylindrical Projection=, illus. 161

=Dash Line=, def. 46

=Decimal Equivalents=, Table of 269

=Dedication= ix

=Definitions=, Preliminary 41

=Degree=, def. 41, 44

=Describe=, def. 44

=Design=, def. 44 Symmetry in, def. 50

=Designing Gears= 209

=Detail Drawings=, Office Rules for 191

=Develop=, def. 45

=Diagonal=, def. 45

=Diagonals of a Polygon=, def. 47

=Diameter=, def. 45

=Diameter=, Of a Circle 43

=Diameters of Wheels=, How to Measure 199

=Diametral Pitch=, desc. 200 Of Gears 212

=Dimensioning Drawings= desc. 176, illus. 177, 179

=Dimension Line=, def. 46

=Dimensions on Drawings=, Office Rules for 192

=Dividers and Compasses=, desc. 119

=Dividers=, illus. 82, 119 Bisecting, desc. 119 Bow, illus. 122 “Point” 242 Proportional desc. 119, illus. 120 Spring Bow, desc. 124

=Dodecahedron=, def. 48

=Dot-and-Dash Line=, def. 46

=Dotted Line=, def. 46