[78-L] Edison--was: Am I Seeing Things???
Steven C. Barr
stevenc at interlinks.net
Sun Jan 2 15:42:41 PST 2011
From: "Don Chichester" <dnjchi78 at live.com>
> IIRC, Edison was working with a strip of paper onto which telegraph
> impulses were burned, and could be re-played for transmission. It was the
> idea of 'storage of sound impulses' that started Edison's experiment with
> tin foil. The writer suggests that he started with paper, and worked on
> the concept for a year. All info I have is that he tried tinfoil in
> August of 1877. It worked the first time! It was demonstrated for
> Scientific America in December 1877. No year of research.
>
As I recall, when he played back his stored code transmissions, the result
was a sound which suggested
the human voice; this in turn inspired him to experiment with vocal sound
recordings...!
Steven C. Barr
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