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Re: projection lamps


  • From: P3D William Carter <wc@xxxxxxxxxxxxxxxxxxx>
  • Subject: Re: projection lamps
  • Date: Sun, 6 Oct 1996 14:38:13 -0700

Larry Berlin writes:

> Ideally, a DC source for these lights
> should do more than rectify the AC current. 
> It's a feature that's not hard to supply and one that I would consider > if I 
were designing a projector from scratch.

It may still be, certainly was common in these parts, to use the mains
to power a motor to drive a generator to supply current to the arc
carbons. (In the "house" that Jack built)


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