English
experimenter, has been store clerk near a merchant of musical
instruments, till the publication, in 1823, of
curious experiences on
the sound. One was interested also of the resonance of the
air
columns, the transmission of the sound in solid and linear conductors
(1831) and constructed a speaking machine.
In
1834 he was name teaching to
King's College of London, but will
abandon the chair after some year. Always
in 1834 it
publishes
its experiences in the electric field. In 1837 it exposes, in the Quarterly
Journal of Science
its new experiences on the sound and the description of an ingenious
apparatus; the phonic kaleidoscope that becomes the first reference for
the optical acoustics. The following year invents the
stereoscope,
perfected from Brewster. In the February of 1838 it successively
deposits to London a telegraph license, dedicating itself to its
improvement and the possible applications. At last in 1869 it
invents
an apparatus for the measure of precision of the resistances known with
the name BRIDGE
OF WHEATSTONE.
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