ephemera of the not so Deep Time
extracted from: http://www.mediahistory.umn.edu/time/prehist.html and http://www.mediahistory.umn.edu/time/sources.html
and the Dead Media project http://www.deadmedia.org/
extracted from: http://www.mediahistory.umn.edu/time/prehist.html and http://www.mediahistory.umn.edu/time/sources.html
and the Dead Media project http://www.deadmedia.org/