Page:Sheet Metal Drafting.djvu/245

Rh Iron bread pan, 21 related mathematics, 23

Lateral area, of cylinder, 32 of cone, 82 Layout of cleat, 12 Lettering, 9 Lines, bending, 7 border, 7 center, 8 dimension, 8 extension, 8 horizontal, 4 object or projection, 7 vertical, 5 Liquid measures, 169 related mathematics, 171 standard sizes for, 171 Lock, hammer, 106 Long radius elbow, 57 related mathematics, 58

Match box, galvanized, 14 related mathematics, 16 Materials, schedule of, 150 Measures, liquid, 169 related mathematics, 171 Mechanical drawings, 1 Method, backset, 63 Miter line, definition of, 46 rise of, problem on, 58 Miters, face, 180 Miter, square return, 174 Miters, return and face, 173 Moulding, rake, 184

Objectives of problems, combinations of various solids, 147 cones of revolution, 79 cylinders cut by planes, 45 developed and extended sections, 215 developments by sections, 203 frustums of cone, 161 frustums of rectangular pyramids, 135 intersecting cylinders, 65 intersecting rectangular prisms, 95 quantity production, 109 rectilinear figures, 11 return and face miters, 173 sections formed by cutting planes, 119 triangulation of scalene cone, 185 triangulation of transition piece, 195 wired cylinders, 29 Object lines, 7 Offset, center boot, 207 Offset, diagonal, 103 related mathematics, 105 Offset, rectangular pipe, 100 related mathematics, 102 Orthographic projection, 2 Oval, area of, 193 Oval pipe and second piece of elbow, transition between, 200 Oval to round elbow, 216 Oval to round transition, 191 related mathematics, 193 Over-all dimensions, 16

Pail, painter's, 38 related mathematics, 40 Painter's pail, 38 related mathematics, 40 Pan, ash, with semicircular back, 153 related mathematics, 155 Pan, bread, iron, 21 related mathematics, 23 Pan, candy, 17 related mathematics, 19 Pan, roasting or dripping, 136 related mathematics, 138 Pans, rectangular flaring, 140 related mathematics, 142 Parallel line developments, rules for, 75 Parer, vegetable, 86 Pencil, 6 Pictorial drawing, 1 Pipe, curved elbow in rectangular, 106 related mathematics, 106