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Iron-ore mining facility at Ogdensburg, New Jersey, about 1891 |
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Edison at the iron-ore mill, 1895
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Iron-ore milling workforce, 1890s |
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Iron-ore mill rock crushers, about 1890
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Edison with model of prefabricated concrete house, about 1910 |
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Concrete house being assembled, 1909 |
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Manufacturing storage batteries, 1915 |
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This photograph of Edison survived a disastrous fire in 1914; enlarge to see Edison's
inscription. |
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Fire destroyed much of the phonograph works in 1914. |
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Waiting for another invention, about 1903 |
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Edison inspecting an electric bus, about 1915 |
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Edison and a searchlight, 1915
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Edison and an electric car, 1913 |
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Edison examining the surface of a diamond disc record, about 1916 |
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Music recording room, about 1900 |
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