Re: New Invention Ideas

In article <AaKdnWa4o-RX4R_bnZ2dnUVZ_qSrnZ2d@xxxxxxxxxx>,
"Rex Stomponato" <:-) @. :-}> wrote:

I therefore doubt that he could have had a genuine (mathematical) grasp of
lenses properties.

I think that one would have to wait until the 17th century (Kepler,
Descartes, Huygens, Newton) to reach that point.

If you're interested in the historic uses of lense, you might find the
following recent brouhaha entertaining:

<http://www.optics.arizona.edu/ssd/FAQ.html>

<http://www.diatrope.com/stork/FAQs.html>
.