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Edison in his Lab
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Edison in his Lab

Nicola Tesla
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Nicola Tesla

Photo shows Alois Benjamin Saliger (1880-1969), an inventor and businessman. ca. 1910-1915
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Photo shows Alois Benjamin Saliger (1880-1969), an...

Photo shows Alois Benjamin Saliger (1880-1969), an inventor and businessman ca. 1910-1915
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Photo shows Alois Benjamin Saliger (1880-1969), an...

Alexander Graham Bell
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Alexander Graham Bell

Alexander Graham Bell
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Alexander Graham Bell

Alexander Graham Bell
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Alexander Graham Bell

Alexander Graham Bell
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Alexander Graham Bell

Dr. Charles E. Monroe, Inventor and chemist ca. between 1909 and 1919
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Dr. Charles E. Monroe, Inventor and chemist ca. be...

Inventor Thomas Alva Edison
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Inventor Thomas Alva Edison

Alexander Graham Bell
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Alexander Graham Bell

Alexander Graham Bell
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Alexander Graham Bell

Alexander Graham Bell
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Alexander Graham Bell

Alexander Graham Bell
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Alexander Graham Bell

This is what is left of a tri-phibian, a device intended to fly in the air, run on the highway, or through the water. The inventor, Mr. Viachos of Washington, was in it when it blew up. circa 10/25/1...
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This is what is left of a tri-phibian, a device in...

Fleming's First Vacuum Tube
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Fleming's First Vacuum Tube