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100
Communication With Color
About 350,000 our ancestors used ocher and manganese to draw on objects and or their skin our ancestor groups identified themselves with symbols of color -
100
Cave Paintings
cave drawings range from 30,000 bc to 10,000 bc and come in all sorts of shades and forms -
Jan 1, 1440
printing press
Johannes Gutenberg a german inventor invented the printing press in 1440 -
Typewriter
Dates back to atleats 1714 when henry mill filled out a worded patinet for a machine for the impressing of letters progressively one after another -
Telegraph
a french engineer named claude chappe and his brother ignace invented the telegraph
