Re: [TCML] Life Magazine historic photo archive

[davep@xxxxxxxx]

> Obvious once you point it out - one other detail.  The things that appear
> to be a secondary winding are actually voltage gradient control rings
> used to equalize the voltage across different segments of the column.
> Probably have some highly resistive material between each one.  This must
> be a device designed to power some sort of accelerator - wonder what
> type?

> "You can see what appears to be a wide belt (perhaps 10" wide?) on a
> pulley on the end of the large motor at the base of this device.

  Am i getting too far OT?
  Sure looks like a primary, at base...

  Years back, since removed (a pox on them   8)>>)
  Smithsonian Inst in DC had a hugish 'real lab' vdG.
  Accompanying text mentioned that van de Graaff developed
  his design as 'an easier to control' alternative to
  Tesla type HV supplies.   As to which machine: pix have
  dates, dunno who, but there must be life issues/microfilmed
  somewhere.

   best
    dwp

_______________________________________________
Tesla mailing list
Tesla@xxxxxxxxxxxxxx
http://www.pupman.com/mailman/listinfo/tesla