Anesthesia Makes Surgery Painless
The model department of the United States Patent Office in Washington is illuminated here and there with the original models of the very great...
Printer Invents Typewriting Machine
The model department of the United States Patent Office in Washington is illuminated here and there with the original models of the very great...
Emperor of Ethiopia Battles Italian Army
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...
Chester Carlson Invents Machine To Copy Documents
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Robert Bruce Claims Crown of Scotland
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Engineers Detonate Huge Blast In New York
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Professor Organizes Bus Boycott
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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...
