On 9/3/09, Graydon <[email protected]> wrote: > On Thu, Sep 03, 2009 at 08:54:58PM -0400, Desjardins, Steve scripsit: > > > I didn't realize they could do color that well back then. > > > Arguably, they couldn't; it was a three-sequential-negatives process, > and really tough to put back together chemically to get a colour image. > > If I'm following the various articles correctly, many of the images now > available were not available at the time; digital recombination is much > easier and the Library of Congress had all the possible ones done.
I thought it was 3 monochrome positives projected through 3 separate filters. Red, green and blue, or something like that. And that getting the projectors set up properly was the hard part. Or maybe I'm smoking crack again. -- Scott Loveless Cigarette-free since December 14th, 2008 http://www.twosixteen.com/fivetoedsloth/ -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
