> It is considered that the point light source of
the analysing lamp can be
> diffracted by the silver grains in the wedge
in such a variously
> unpredictable manner, as you step from sample to
sample up the density
> scale, that it becomes difficult or next to
impossible to accurately measure
> the density/dot% of the original wedge
and predict the results of the
> eventual output.
>
>
Richard
It seems that this could be verified against results from a
transmission densitometer, no?
mike