thomas edison > a lifetime of invention : inventing the incandescent lamp
inventing the incandescent lamp > inventing the incandescent lamp:
edison begins work on incandescent lamp, 1877
edison electric light company, 1878
an electrical system, 1879
making the lamp practical, 1879
promoting the lamp, 1879-1880
inventing the incandescent lamp > commercial power:
pearl street station
central stations and continued improvements
inventing the incandescent lamp > edison's competitors:
 
edison's competitors
inventing the incandescent lamp > edison comes to schenectady:
edison machine works
finding schenectady
inventing the incandescent lamp > battle of the currents:
battle of the currents
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