R

Racking back, 92 Radial projection, 5, 114 Reinforced concrete work. 110

Rib roof, 57 Ribs. 72, 161 Ridge tiles, 55

Rods, for bricklayers, 179 ; 189 ; for carpenters, 179 ; elevation. 185 ; for joiners, 179, 183, 186 ; to set-out, 187 ; width of, 181 Roofs, collar beam, 56; collar bolt and tie, 56 ; couple, 5 4 ; couple close, 56 ; drawing, 56,60 ; limy, 58 , king post, 56 ; laminated rib, 57, 58 J lantern in. 75 ; octagonal, 71; ogee pavilion, 72; pavilion, 72 ; queen post, 75 ; tvpes «f, 55

Root lines m isometric, 86

Rubber, 18

Ruling pen, 11 ; description of, 14 ; to hold. 27 Runners, 70

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Freehand Sketching An Introduction

Freehand Sketching An Introduction

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