[pure-silver] Re: Speaking Of Ortho - Black Skies Sought
- From: Jean-David Beyer <jeandavid8@xxxxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Thu, 02 Jul 2015 08:49:32 -0400
On 07/02/2015 07:39 AM, Snoopy wrote:
WOW now that really is DEEPLY COOL ancestry !!
Love,
Snoopy
On 01.07.2015 02:46, Jean-David Beyer wrote:
Ages ago (late 19th century -- 1879) my great grandfather (F. E. Ives)
tried to sensitize the blue-violet sensitive film to longer wave
lengths, because he was trying to invent color photography. I mean it
was known in theory several ways of doing it, but the problem was to
make plates sensitive to all the visible colors.
F.E.Ives' son Herbert E. Ives was pretty cool too:
http://www.osa.org/en-us/history/biographies/herbert-e--ives/
--
.~. Jean-David Beyer Registered Linux User 85642.
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