By applying this theory,
M. Braun has carried out, first in the fortifications of Strasburg,
and then between the island of Heligoland and the mainland,
experiments which have given remarkable results. We might mention also
the researches, in a somewhat analogous order of ideas, by an English
engineer, Mr Armstrong, by Dr Lee de Forest, and also by Professor
Fessenden.
Having thus arrived at the end of this long journey, which has taken
him from the first attempts down to the most recent experiments, the
historian can yet set up no other claim but that of having written the
commencement of a history which others must continue in the future.
Progress does not stop, and it is never permissible to say that an
invention has reached its final form.
Should the historian desire to give a conclusion to his labour and
answer the question the reader would doubtless not fail to put to him,
"To whom, in short, should the invention of wireless telegraphy more
particularly be attributed?" he should certainly first give the name
of Hertz, the genius who discovered the waves, then that of Marconi,
who was the first to transmit signals by the use of Hertzian
undulations, and should add those of the scholars who, like Morse,
Popoff, Sir W.
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