{"text_format":"3","workbook":"xlsx","n_sheets":1,"sheets":["Timeline"],"not_rendered":{"charts":1,"macros":1,"defined_names":4},"read":"whole","date_system":"1900"}

{"sheet":"Timeline","index":0,"n_rows":19,"n_cols":3,"rows_kept":19}
["Thomas Edison Inventions"]
[]
["Date","Text","Y-Axis-Value"]
[1868,"An automatic vote recorder for legislatures",{"$f":"--INDEX(Y_Axis_Values, MOD(ROW()-3,33))","v":15}]
[1869,"Several telegraph devices",5]
[1871,"Several improvements in stock ticker technology",-15]
[1874,"The quadruplex telegraph for Western Union company",-5]
[1875,"the electric pen",25]
[1877,"The phonograph and the carbon transmitter ",10]
[1879,"A direct current generator for incandescent electric lighting and the carbon filament lamp.",-25]
[1881,"Beginning in 1881, invented a system of wireless telegraphy to and from trains in motion",-20]
[1882,"Beginning in 1882, designed and constructed the first three-wire central system for electric lighting",20]
[1886,"The graphophone, an improved wax-recording phonograph",-10]
[1891,"The motion picture camera",5]
[1905,"A revolutionary new type of dictating machine",15]
[1907,"The Universal Electric Motor",5]
[1912,"Invented the Kinetophone or talking motion picture",-15]
[1914,"The Telescribe, combining the telephone and the dictating phonograph",-5]
[1915,"The first synthetic form of carbolic acid (C6H6O). ",25]