WEIGHT OF CAST IRON BALLS.

			Lbs.
2	inch	diameter	1.09
2½	“	“	2.13
3	“	“	3.68
3½	“	“	5.84
4	“	“	8.73
4½	“	“	12.42
5	“	“	17.04
5½	“	“	22.68
6	“	“	29.48
6½	“	“	37.44
7	“	“	46.76
7½	“	“	57.52
8	“	“	69.81