[sdiy] Visible Tube Organ

[jeff brown]

I just posted an old (1958) artticle on building an organ with the same
circuit.
You can check it out here:
 http://www.guitarfool.com/NeonOrgan.html

Basically a bunch of neon bulb (sawtooth) relaxation oscillators sync'd to
master (top octave) oscillators.

Toodles,
Jeff


> http://www.kitphoenixx.freeserve.co.uk/project_2.htm
> Neon Gas Tube Frequency Dividers Project
>
> I can't quite see what it's doing. I can see how
> you could have a neon relaxation oscillator
> with an additional charge *thump* from another
> oscillator. If the period of the neon osc is
> longer, then it is likely to trigger during one
> of the *thumps*. Kind of a soft sync. And that
> would be a division of the *thumping oscillator*.
>
> One of the things I want to try, because
> it's time for a ...
>
> NEON REVIVAL
>
> Later,
> Toby
>
> Scott Gravenhorst wrote:
> > "neon dividers" ?  Is this a neon bulb flipflop that does the
> > divide by two thing ?  I'd _love_ to see a schematic of that
> > part!
> >
> > Toby Paddock <tpaddock at seanet.com> wrote:
> > >
> > >Assuming that subject line makes it past
> > >the spam filters...
> > >
> > >Did someone post about someone who took the
> > >tone generator from an organ and put it in
> > >display box? It would have been a year or so ago.
> > >
> > >After the interesting organ talk lately, I took
> > >a look inside my old Lowery LSL tube organ.
> > >The neon dividers light up when you play it.
> > >Cool. I was thinking that in an alternate
> > >universe - where I had much more time, energy,
> > >focus, brains, and I could actually play
> > >keyboard - I would put the hang the tone chassis
> > >in a plexiglass box seperate from the keyboards.
> > >
> > >Then later that started sounding familiar, like I
> > >had heard that somewhere. Like probably here.
> > >
> > >?
> > >
> > >Later,
> > >Toby
> > >Paddock
> > >
> >
>
>
>