Another subsequently utilizes his results, and applies them
to the benefit of the race. Meanwhile, however, it may happen that the
yet unapplied and unfruitful results evoke a sneer, and the question:
"Cui bono?" the only answer to which question seems to be: "No one is
wise enough to tell beforehand what gigantic developments may not
spring from the most insignificant fact."
* * * * *
TELEPHONY AND TELEGRAPHY ON THE SAME WIRES SIMULTANEOUSLY.
For the last eighteen months a system has been in active operation in
Belgium whereby the ordinary telegraph wires are used to convey
telephonic communications at the same time that they are being
employed in their ordinary work of transmitting telegraphic messages.
This system, the invention of M. Van Rysselberghe, whose previous
devices for diminishing the evil effects of induction in the telephone
service will be remembered, has lately been described in the _Journal
Telegraphique_ of Berne, by M.J. Banneux of the Belgian Telegraph
Department.
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