Beginnings of long-distance telephony, 1882–87
David Gorda Tucker · Electronics and Power · 1974
Economic and technical difficulties facing long-distance telephony in 1882 were largely solved when Francois van Rysselberghe superimposed telephone circuits on existing telegraph lines. Many countries in continental Europe and elsewhere therefore developed long-distance telephone networks long before Britain, where William Preece and Oliver Heaviside attempted to develop appropriate theories of long-distance transmission, the former erroneously, but the latter successfully