Railroad safety in the United States. Railroad track curves. Poles in the background. Smoke comes out of steam engine. Train carries military equipment. Trees in the background
Railroad safety in the United States. Two parallel curving railroad tracks. Electrical poles in the background. Smoke comes out of steam engine. Train carries military equipment and jeeps. Trees in the background.
Railroad safety in the United States. Railroad tracks curve. House in the background. Parallel road. Truck approaches the train. Train approaches. Smoke comes out of engine. Trees in the background.
U.S. President Ronald Reagan at the Williamsburg summit in the United States. President Reagan speaks about the approaches to resolve economic and political problems in developing and developed countries, to increase security by armed forces reduction and to preserve core values of freedom and democracy that the U.S. shares with Europe, North America and Japan.
Richard Burt, Assistant Secretary for European affairs in the United States. Richard Burt speaks about the June North Atlantic Treaty Organization (NATO) foreign ministers conference of Paris. He speaks about Soviet Union's disagreement about the 1979 decision and to negotiate with them. The other issues to be discussed include development and conditions in Poland.
Invention of electric incandescent lamp by Thomas Edison in United States. Dramatization:Men in laboratory trying experiment with metal filament. Glowing bulb filament. Young man at piano. Man thinking and spotting spool of thread. Young man talks to assistants. On October 21 1879 the invention of the incandescent lamp light bulb. Men leaving. Man compares arc lamp and incandescent lamp. Thomas Edison lying down on table.
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