[pianotech] Discovery surprise

[John Ashcraft]

There are some excellent cleanup instructions on the internet. You can do it
yourself, but you need to be careful not to stir up the dust.

John Ashcraft, RPT

On Tue, Mar 15, 2011 at 10:34 AM, Conrad Hoffsommer <choffsommer at hotmail.com
> wrote:

>  ...and if you should drop and break one you have to call in a HazMat team
> for cleanup. Contains Chinese mercury. (all are made in China)
>
> Conrad Hoffsommer
>
>
>
>
> > Date: Tue, 15 Mar 2011 12:00:08 -0500
> > From: rnossaman at cox.net
> > To: pianotech at ptg.org
> > Subject: Re: [pianotech] Discovery surprise
>
> >
> > On 3/15/2011 10:52 AM, Albert Picknell wrote:
> >
> > >Perhaps with the second type the sound
> > > being emitted is just at the edge of my hearing range, and with the
> > > third type the sound is well beyond my hearing range. Just guessing.
> >
> > I can't hear them past the tinnitus (cicadas), so it hasn't been a
> > problem for me. It's the folks washing dishes in the next room that
> hurts.
> >
> >
> > > I suspect that with long-term exposure, all of them do damage of some
> > > kind.
> >
> > I wondered about that. At about 30cm, the level had dropped to 60db, so
> > it seems unlikely. Two hours in the room with the A440 band at the
> > Yamaha party, however, doesn't seem to worry any of those in atten-dance
> > and that feels like damage from way down the hall.
> >
> >
> > > I wonder what dogs hear when they're around these things.
> >
> > That occurred to me too. Then I wondered if they'd work as bat
> > repellent! I won't put any outside, just in case. I like bats.
> > Ron N
>
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