Fig. 203 is an iron or boxwood block recessed in the centre, by which cups or dishes of copper and tin maybe shaped in one piece. Fig. 204 is a fluting block, which is used on the same principle to make corrugated patterns. When extensive operations are carried on, machines replace these simple contrivances. Fig. 205 is a small and Fig. 206 a large swaging machine; Fig. 207 is a grooving machine. Fig. 208 is a creasing iron; Fig. 209, a block hammer; Fig. 210, a concave hammer; Fig. 211, a rivet set; Fig. 212, a groove punch; Fig. 213, a hollow punch; Fig. 214, a teapot neck tool; Fig. 215, a kettle lid swage.