Stress waves (was violin bridge)

[Phillip L Ford]

On Tue, 8 Jan 2002 08:51:53   
 JIMRPT wrote:
>
>In a message dated 08/01/02 3:15:49 AM, Richard.Brekne@grieg.uib.no writes:
>
><< (I think from
>> what I have read in these posts that everyone is agreed that transverse
>> vibration of the soundboard has to take place to move air so that we can
>> hear the sound). >>
>
>No, not quite everyone cause I fail to see how a soundboard vibrating 
>"transversely" would emit any useful sound. It certainly would not "move" 
>very much air. :-)
>Jim Bryant (FL)
>
Sorry Jim, I guess I don't get the joke.  What do you call up and down movement
of the soundboard (assuming for the moment that the soundboard does
move up and down, with which some posters are not in agreement)?

Phil F