Educational Technology By byersquad 100 Scissors Sep 22, 1400 Globe Dec 1, 1801 Protractor Sep 16, 1872 Electric Typewritter Sep 27, 1890 Film Projector Sep 20, 1945 Overhead Projector Sep 14, 1947 Elmers Glue Sep 9, 1976 VHS Tapes Sep 18, 1979 Computer Laptop Jan 29, 2010 Ipad
