Charles Babbage Invents Mechanical Calculator
The model department of the United States Patent Office in Washington is illuminated here and there with the original models of the very great...
Stage Actor Charlie Chaplin Tries Making Movies
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Earth May Revolve Around Sun
The model department of the United States Patent Office in Washington is illuminated here and there with the original models of the very great...
Pinkerton Suspects Socialite of Espionage
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English Gentleman Invents Photography
The model department of the United States Patent Office in Washington is illuminated here and there with the original models of the very great...
Steam Power Moves Ancient Monument
The model department of the United States Patent Office in Washington is illuminated here and there with the original models of the very great...
Professor Organizes Bus Boycott
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Arrested Alchemist Must Make Gold To Win Freedom
The model department of the United States Patent Office in Washington is illuminated here and there with the original models of the very great...
Professor W.C. Röntgen Discovers X-Rays
The model department of the United States Patent Office in Washington is illuminated here and there with the original models of the very great...
Lindbergh Takes Off On Transatlantic Flight
The model department of the United States Patent Office in Washington is illuminated here and there with the original models of the very great...
