— —, by using as a plug, a cone of wood, E. W. Blake, xvii, 134.f
— —, on the premature explosion of powder in, xix, 199.
— —, by galvanism, R. Hare, xxi, 139; xxvi, 352f; xxxviii, 188.
— — —, H. K. G. Morgan, xxxviii, 33.
Bleaching, remarks on, xv, 64.
— oils, xlvii, 196.
— powder, see [Chloride of lime.]
[Blende,] in Canada, viii, 76.
—, in Connecticut, v, 41, 44; xxxiii, 162.
—, in Massachusetts, i, 437; vi, 201.