Inventions Promote Change
Thomas Edison Established the world’s first research and development (R&D) lab Most important invention: Light Bulb Changed industry & everyday life Machines in factories & appliances in homes Allowed manufacturers to produce goods wherever Industry could grow as never before Also invented the Phonograph and motion picture
Other Inventions Christopher Sholes- typewriter (1867) Alexander Graham Bell- telephone (1876) Worldwide communications network Both created new jobs for women 5% of women working in 1870 40% of women working in 1910