Soundboard Thoughts

Horace Greeley hgreeley@leland.Stanford.EDU
Tue, 09 Dec 1997 15:34:34 -0800



Barrie,

How much of that patent information is on line now?

Several years ago (8 or so) there was very little, and it 
was mostly just mainframe stuff.

Thanks.

Horace



At 10:24 PM 12/9/97 +0000, you wrote:
>why not use agraf on the sound board bridge, so you could use a narrower
>bridge, ERARD did a lot of work on this,  an so did Broadwood, I have
>worked on a Broadwood with  a type of agraf, however the bridge was just
>as thick as a conventional bridge.
>
>At the moment I am working my way though ERARDs patents for my next
>project some fascinating drawings on bridges.
>
>Barrie,
>
>In article <199712091931.NAA16669@onyx.southwind.net>, Ron Nossaman
><nossaman@SOUTHWIND.NET> writes
>>Hi Newton,
>>
>>It would split twice as fast? If it were taller than it was wide, would it
>>"break off" with a major pitch raise? How about "flagpoling bridge
syndrome"?  
>>
>>The splitting part brings me to something I wanted to ask anyway. Is there a
>>reasonable body of empirical evidence that horizontally laminated bridges
>>are evil, or is it just that since they are found on evil pianos, it's
>>assumed? Have horizontally laminated bridges been actually installed in
>>decent pianos and tested? 
>>
>>Ever a "lert" and in anticipation, Ron
>>
>>
>>
>>At 12:21 PM 12/9/97 -0500, you wrote:
>>>Why ARE bridges so wide?  What, if anything, would happen if a bridge
>>>were half its current width?
>>>
>>>      Newton
>>>
>>>
>>>
>> Ron Nossaman
>>
>>
>
>
>
>
>
>--
>
>Barrie Heaton                                  |  Be Environmentally Friendly
>URL: http://www.airtime.co.uk/forte/piano.htm  |  To Your Neighbour
>The UK PIano Page                              |  
>pgp  key on request                            |  HAVE YOUR PIANO TUNED
>
>
>
Horace Greeley

Systems Analyst/Engineer
Controller's Office
Stanford University

email: hgreeley@leland.stanford.edu
voice mail: 650.725.9062
fax: 650.725.8014


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