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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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