Consider the term Blueprint in use today. Most think it has something to do with blue lines. It’s a photographic technology invented by astronomer John Herschel in 1842 when he heard of photography. The process made the lines—white—and everything else in—blue. The Blueprint.pic.twitter.com/LSyQJZ6zHQ
-
-
Oh ok so they were simply the chemicals that revealed the clearest picture with a demand in prescribed information. Everything makes a lot more sense to me now thank you.
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.