Page:Cassells' Carpentry and Joinery.djvu/75

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Joints for Lengthening Beams and Posts.—A joint suitable for tension only is the dovetailed halving (Fig. 210). A joint suitable for compression only is the common fished joint (Fig. 211). Joints suitable for cross strain only are as follows: Lapped, with keys and straps (Fig. 212), and the raking scarf with butt end (Fig. 213). Joints suitable for tension and compression are as follows: Tabled (Fig. 214), and the tabled scarf with folding wedges (Fig. 215). Joints suitable for tension and cross strain are as follows: Tabled and splayed scarf (Fig. 216), indented beams for lengthening and strengthening (Fig. 217), and the splayed scarf with folding wedges and iron plate covering joint on tension side (Fig. 218). A joint suitable for compression and cross