[LAU] organ bellows duty (Re: Optical microphone sees sound like never before)

[karl at aspodata.se]

David Kastrup:
...
> There is a reason you'll find no pipe organ these days that will work
> when electricity fails.  In times before electrification, bellows duty
> was hard work.
...

There are still pipe organs that you can manully power.
We have one here in Börstil, and yes I have tried it in 2008.
Here are some random pictures from that day:
 http://aspodata.se/tmp/organ/

Regards,
/Karl Hammar