Ah. I never understood that. Thank you, Moose.
Winsor
Long Beach, California, USA
On / April 4, 2008 CE, at 3:26 PM, Moose wrote:
>
> The other awkward thing about selenium is that the cells have a
> limited
> dynamic range. So they need lots of area for low light and a
> mechanical
> way to cut down the light reaching them in bright light. The Westons
> have a little door with holes in it that closes over the cell manually
> for bright light. The GEs have an internal flap that flips over the
> cell
> internally when the dial passes a certain point.
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