Animated film shows how sound waves are created by the human voice cause movement of air molecules and how this movement is transmitted through the flexible diaphragm of the telephone mouthpiece. The electrons passing through carbon granules in the mouthpiece are transformed into electric current and the magnet and flexible diaphragm in the telephone receiver transforms the current into sound waves. An old man and a kid talking into phone.
An open truck filled with revelers, carrying American flags, travels along a street in Washington DC during World War 1 Armistice celebrations. Views from a moving vehicle passing crowds lined up on the sidewalk, in front of the State, War, and Navy Building (AKA the Old Executive Office Building, or Eisenhower Executive Office Building) ready to view a parade. A group of women walking in a street in front of a crowd. They pass an automobile where several U.S. Army soldiers stand. Scene shifts to White House driveway, where people gather outside the fence. President Woodrow Wilson steps from the White House front entrance, with an officer and other officials, and enters his Pierce Arrow limousine, displaying license plate number 80002, and an AAA symbol on its radiator. Scene shifts to the President's car leaving the Capitol building, with Secret Service Agents riding on the running boards. A crowd breaking up in front of the Capitol, as the President's car leaves. A small group of persons, including soldiers in uniform and a woman, surround an Army officer who affixes a message to the leg of a carrier pigeon, and sets it free. (World War I; World War 1; WWI; WW1)
United States President Woodrow Wilson, and several officials arrives to watch an Armistice Parade, from area near guard shack at gateway to West Wing of the White House. A mounted army officer rides past, saluting, followed by several others saluting. A marching military brass band, followed by an Army drum and bugle Corps, playing instruments on horseback. They lead a contingent of mounted soldiers and two trucks pulling artillery. Other parade elements seen include: an army band; a navy band; a color guard; a contingent of sailors saluting with presented arms; Women Yeoman (F) in the U.S. Navy Reserve; and a team of horses pulling a float full of young women in white displaying flags of the World War 1 Allies. Marching beside the float are representatives from Allied nations. Groups of Women from the Knights of Columbus, march next in the parade. At this point, President Wilson, is seen conversing with Attorney General Thomas Watt Gregory. Scene shifts back to more Knights of Columbus women parading. shifting from the parade, views are from a vehicle moving along the parade route, showing spectators lining the route, and then from steps of a building, looking over the heads of spectators as mounted cavalry pass, followed by another brass band. A child sees the camera behind him and looks toward it. A team of 6 white horses pulls a float containing a woman in patriotic garb and a sign reading, "In God We Trust." Scene shifts again, to the White House West Wing steps, where President and Mrs. Wilson stand with Attorney General Gregory, watching women from the Knights of Columbus march past, followed by their float. Next in the parade is a float carrying soldiers in uniform and displaying the Cross of David on the front, and "Sons of Freedom," written on its side. A team of horses driven by an African American driver in an unusual hat, pulls a float carrying two women and displaying the British Union Jack. Another band and more marching infantry are seen. (World War I; World War 1; WWI; WW1)
Armistice celebrations in Washington, DC, at end of World War 1. Automobiles are seen driving along Pennsylvania Avenue. Crowds line the sidewalks. The White Palace Lunch restaurant is seen in the background. An open truck overflowing with revelers drives slowly along the street. View from a vehicle of the Willard Hotel and U.S. Treasury Building at end of this section of Pennsylvania Avenue. Scenes from vehicle of people celebrating on the sidewalks. Some carrying a box labeled "Kaiser's Coffin." American soldiers in uniform interspersed among the crowds. A woman riding on the hood of one moving car, waving an American flag. Sailors walking beside the car. An African American man strutting along tram tracks leading a group of uniformed soldiers in a cheerful parade snaking between moving street cars. View from moving vehicle of crowds in front of the Treasury Building, and blowing horns and celebrating in front of the White House. Celebrating crowd filling Lafayette Park across from the White House. Statue of Lafayette in the park. The White House seen across the street from the park. (World War I; World War 1; WWI; WW1)
Airborne Nuclear Reactor in storage pit. Men work on reactor. Rods are inserted in the central core of a nuclear reactor and adjustments being made by remote controlled metal hands. Reactor tilts on one side.
Nuclear reactor lowered in storage pit by electric crane. A man examine the reactor. Reactor is lowered and fixed in storage pit.
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