--- In DigitalBlackandWhiteThePrint@yahoogroups.com, CDTobie@a... wrote: > > > In a message dated 1/29/06 1:31:06 PM, dfaprinting@y... writes: > > > > You should also remember that these > > were done behind double pane glass, I bet the amount of UV that gets > > through is pretty low. > > > > Whether its just two panes of window glass, or a thermo-pane window with UV > screening low-e glass is a question of some interest... as the ratio of visible > to UV light would differ hugely between the two. > Yup, I didn't want to even throw that out at the time, same might apply to IR light too (depending on the glass).
Message
Re: [Digital BW] Nanochrome testing (again) - was more paper news
2006-01-29 by Greg