—, theory of, Prof. Pfaff, xix, 178.
—, theory of, R. Hare, i, 413.f
—, theory of, C. F. Schönbein, xxxviii, 119.
Galvanography, von Kobell, xlviii, 221.f
—, T. Spencer, xl, 157.f
—, fossils copied by, xlii, 327.
Galvano-ignition apparatus, R. Hare, xxxii, 282.f
[Galvanometer,] R. Hare's improved, xxvi, 359.f
—, —, rotary multiplier, xxxviii, 339.f
—, J. Henry, on the application of, to electro-magnetic apparatus, xix, 400.f