—, fulminating powder, consisting of cyanogen and calcium, process for, xxxvii, 268.
—, —, silver, injury to, from the explosion of, xxii, 185.
—, galvanic apparatus, new modifications of, iii, 105.f
—, —, ignition of gunpowder, xxxvii, 269.
—, galvano-ignition apparatus, xxxii, 282.
—, —, ibid, see above, under [blasting.]
—, galvanism, new theory of, i, 413.f
—, —, series, new, combining the advantages of the trough and deflagrator, xxxii, 265.f
—, —, new rotatory multiplier, xxxviii, 339.f
—, apparatus for regulating the supply of gas by its absorption, xiii, 2.f