The Evolution of Classroom Technology By kerimae Jun 4, 1650 The Horn-Book Wooden paddles with printed lessons were popular in the colonial era. Jun 4, 1870 Ferule A pointer Jun 4, 1870 Magic Lantern The ‘magic lantern’ projected images printed on glass plates and showed them in darkened rooms to students. Jun 4, 1890 School Slate Jun 4, 1890 Chalkboard Jun 4, 1900 Pencil Jun 4, 1905 Stereoscope Jun 4, 1925 Film Projector Jun 4, 1925 Radio Jun 4, 1930 Overhead Projector Jun 4, 1940 Ballpoint Pen Jun 4, 1940 Mimeograph Jun 4, 1950 Headphones Jun 4, 1950 Slide Rule Jun 4, 1951 Videotapes Jun 4, 1957 Reading Accelerator Jun 4, 1957 Skinner Teaching Machine Jun 4, 1958 Educational Television Jun 4, 1959 Photocopier Jun 4, 1960 Liquid Paper Jun 4, 1965 Filmstrip Viewer Jun 4, 1970 The Hand-Held Calculator Jun 4, 1972 Scantron Jun 4, 1980 Plato Computer Jun 4, 1985 Hand-Held Graphing Calculator Jun 4, 1985 CD-ROM Drive Jun 4, 1999 Interactive Whiteboard Jun 4, 2005 iClicker Jun 4, 2006 XO Laptop Jun 4, 2010 Apple iPad
