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

The model department of the United States Patent Office in Washington is illuminated here and there with the original models of the very great...

Robert Bruce Claims Crown of Scotland

The model department of the United States Patent Office in Washington is illuminated here and there with the original models of the very great...

Engineers Detonate Huge Blast In New York

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

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...

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