The Big Four Express jumps the tracks in Earl Park, Indiana. The Big Four Express running between Chicago and Cincinnati meets with an accident. A crowd gathers around the overturned train. A view of the damaged train. Workers clear the debris.
Overweight women undergo physical training from male trainers in Philadelphia, Pennsylvania. A group of women exercise while lying down and doing leg exercises to shed fat. Women wearing vibrating, oscillating belts (sometimes called "jiggle belts" or "slimming belts") to aid abdominal muscle (abs) stimulation and weight loss. An obese woman gets on a rocking wooden horse designed to simulate a horse galloping (rather like an early treadmill) while an instructor directs the heavy woman during the training.
A United States Army training film about defense against chemical warfare. Gas masks makes breathing difficult for American Army soldiers and animals training before deploying to France during World War I. Recruits undergo fifteen minute drill with the gas masks. An exhausted U.S. Army soldier relaxes and smokes a cigarette sitting near a tree. Troops run on a field wearing gas masks. They take off their masks and breathe in fresh air.
A United States Army training film about defense against chemical warfare in World War 1. Gas discipline reduces casualties and insures efficient operation of normal activities. A platoon commander inspects troops before they enter gas chambers during training. The troops wearing gas masks enter the gas chamber in a line. Soldiers remove their masks after the drill.
A United States Army training film about defense against chemical warfare. United States troops train in the United States during World War 1 and simulate falling prey to German enemy gas shells. An explosion on the ground with smoke surrounding the area. U.S. soldiers fire rifles. The enemy fires mustard gas shells. The troops advance on a field in formation. A soldier passes through gassed underbrush and is affected by the poisonous gas. A topographic map is marked with the words "GAS" where the gas is present.
(Audio present only during interviews). The greenhouse effect - the scientific concern and global warming discussed in Washington DC. A conference conducted for discussion on the greenhouse effect by scientists. Smoke stacks and cooling towers. Pollution being emitted into the air. Locomotive railroad train pulling two cars and moving slowly on a railway track. View of cars, taxis, and trucks on a busy highway in traffic, with the truck emitting smoke from exhaust. Industries, trains, trucks and various other vehicles emit greenhouse gases in excess which warms the atmosphere. A scientist speaks, saying, "We must, as soon as possible, undertake action to both limit climate change, and to learn how to adapt to it. We know what to do to eliminate climate change. We have to reduce the emissions of certain gases which are affecting our atmosphere. It's a matter of getting policies together which will tell us how to do that in a relatively short time scale." Low aerial view of a city with low mountains in background. Wheat harvesting machine pouring wheat into truck. Aerial view of a coastline including a ferris wheel near a beach. Workers in a African nation digging soil in a farm field. A dry and barren farm field. Another scientist speaks, saying "We think we have about a ten year research window to do the necessary research to really understand the greenhouse effect, and where we may have problems, where we might have benefits, and then hopefully how we can adapt to this." Views of a sunset partially obscured by clouds or smog. View of an industrial harbor.
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