He inserts in the primary circuit of the alternating FIG.
Hence, when the coil at one fixed station was in action it generated high frequency alternating currents, which were propagated across the air gap between the ordinary telegraph wires and the metallic surfaces attached to one secondary terminal of the induction coil, and conveyed along the ordinary telegraph wires between station and moving train.
The coast-line consists of a succession of great promontories alternating with deep inlets.
31 have felsitic bands alternating with others which are purely glassy.
The two travelers killed the time picking over a bland lunch and alternating long walks with longer periods of sitting on hard seats, re-reading a discarded newspaper.