Part 46

=Boiler-Plate=, Riveted, illus. 76

=Bolt=, Square-head, illus. 76

=Bolt and Nut=, Square-head desc. 144, illus. 145 Hexagon desc. 144, illus. 76, 144

=Bow-Dividers= desc. 123, illus. 122

=Bow-Pencil=, desc. 123

=Bows=, Use of 242

=Brick=, Section Lining, illus. 182

=Broken Lines=, How to Draw 33 Def. 46

=Bumping Post=, illus. 226

=Calipers=, illus. vi

=Cast-Iron=, Section-Lining, illus. 182

=Caulking Tool=, illus. 76

=Center Line=, def. 46

=Center Lines=, In Drawings 240-1 In Shop Drawings 192

=Chalk-Crayon= desc. 27, illus. 27, 37

=Chalk-Work= 27 Instruments for Drawing, illus. 29

=Channel-Iron=, illus. 75

=Checking Drawings= 194

=Circle=, def. 43 To describe about a square 93 about a triangle 93 through two points 90 through three points 90 To find the center 90 To inscribe in a square 94 in a triangle 94

=Circles=, Drawing desc. 146, illus. 146

=Circumference of a Circle= 43

=Circumscribe=, def. 43

=Circular Pitch Line=, illus. 200

=Classifying Drawings=, Office Rules for 191

=Clearance in Wheel Teeth= 215

=Cog-Wheel= def. 201, illus. 201 Section Lining, illus. 183

=Coin=, Perspective View of a, illus. 248

=Color and Tints= 185