The PhonographAccess http://www.americaslibrary.gov/jb/recon/jb_recon_phongrph_1.html. Read and listen to streaming video (you will need Real Player) Construct a chart comparing the invention of the phonograph with the invention of the IPod, addressing cultural significance, contribution to technology, similarities and differences and advantages and/or disadvantages the inventors faced with regard to research and eventual production.
