Amazing what a search engine will pull up using
resonance+bridge...<g>...
As to Leedskalnin, all that I know of in writing is posted at the
http://www.keelynet.com/files.htm
under I think Gravity, but you'll have to hunt them down....
As to the Tacoma Bridge, check out;
http://www.maths.soton.ac.uk/get_on_the_web/examples/tacoma.html
http://www.civeng.carleton.ca/Exhibits/Tacoma_Narrows/
---Ted Gallop wrote:
>
> Hello Members,
>
> I'm new to this group, and hope to be able to contribute
constructively as
> time goes by...
> My particular interest, at the moment, is
sound/accoustics/harmonics, etc.
>
> Can anyone help me with the following two requests.
>
> I've read all of the keelyNet files on Ed Leedskalnin. However I was
under
> the impression he had written quite a bit about his "sweet 16". Are
there
> any copies of this writing extant? If so, where can I get my hands
(eyes?)
> on it.
>
> Also, I have seen over the last few decades an occasional film clip
of a
> suspension bridge (somewhere in the USA I think) swinging and
swaying and
> twisting, and eventually disintegrating in high winds - the usual
> explanation being that its 'natural frequency of vibration was in
tune with
> that caused by the wind' or something like that. Does anyone know
the date
> and place, and how I could get some of the footage (avi format?)
>
> Many thanks.
>
> Ted Gallop
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