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Re: 100 meter sparks (picture of GE machines!)




From: 	Greg Leyh[SMTP:lod-at-pacbell-dot-net]
Sent: 	Wednesday, October 29, 1997 5:35 AM
To: 	Tesla List
Subject: 	Re: 100 meter sparks  (picture of GE machines!)

Adam Smith wrote:


> >General Electric had a 10 MEV impulse generator in operation at the 1939
> >World's Fair.  One machine was plus 5 MEV and the second was minus 5 MEV --
> >reported spark length was 60 ft between the two units (at least in the
> >photo I saw).  This was in the GE building -- perhaps it was called the
> >Russian Pavilion?
> 
> I have two photos of this 1939 World's Fair exhibit.  I have scanned them
> and put them on my webserver, so you can all look if you are curious:
> 
> http://www.tiac-dot-com/users/absmith/impulse.jpg
> http://www.tiac-dot-com/users/absmith/impulse2.jpg

Wow, cool pics!!  Looks like a Colcroft-Walton arrangement, but... what
would
they have used for rectifiers?  Cold cathode tubes?
Do you have any specs or info as to the theory of operation?


-GL