Barrage balloons being tested in the United States. Barrage balloons in flight. A motor being removed from a gondola and a basket being attached. Men get into the basket to study the tactics of observation from a captive balloon. A barrage balloon lifts off. Ground crew handles a steel cable. The 3rd Observation Balloon Squad learns the details of observation at Fort Lewis, Washington. An instructor trains recruits. A barrage balloon in flight at Fort Lewis. Goodyear barrage balloon comes out of a hangar at Wingfoot Lake, Ohio. Tail of a barrage balloon in flight. A barrage balloon being filled with helium. It takes off and in flight during a test.
Camouflage tactics being used to conceal equipment in the United States. Army engineers make a camouflaged net at McGill Field in Florida. An aircraft on a field. The engineers cut a tree on the field. An aircraft taxis and moves under the camouflaged net. Soldiers at a camouflage school construct a camouflaged net to conceal an aircraft. Dispersal method being used to conceal an aircraft. A haystack and a shed are used to conceal pack mules and anti aircraft guns at Fort Bragg in Carolina. (World War II period).
A World War 2 training film in the United States about the means and importance of camouflage in a war. An observer studies an aerial photograph. Markings on a photograph. A drawing depicts the means of detecting an enemy installation as trucks leave marks on the road leading to the installation. It depicts how the traffic must be rooted past the installation. Soldiers at a map as they discuss and take down notes. A soldier puts up a sign on a tree that reads 'Keep on taped path', 'no smoking after sundown'. A soldier covers a truck with dry branches of a tree.
A film titled 'The Story of Transportation' dramatizes the primitive and ancient means of transportation in the United States. Dramatization depicts a man as Aladdin with a lamp. He rubs the lamp and Jinny appears. Aladdin seated in a palace. An old man roaming about in a forest. Mules and camels carry load on their backs. A group of primitive men push a sled. Dogs pull sled carts. Schooners and stage coaches are used as means of transport. A sketch of a steam locomotive.
A film about means of transportation from ancient times to modern times in the United States. The first railroad train De Witt Clinton at a museum. A steam locomotive emits steam as it pulls a railroad train. Portraits of Benjamin Franklin, Michael Faraday, Nikola Tesla, Thomas A. Edison and George Westinghouse.
A film concerning railroad electrification in the United States. A westbound Boston and Maine Railroad steam train at East Portal, Hoosac Tunnel, where the railroad was electrified in 1911. An electric locomotive approaches the steam engine. ( Note the carbide headlamp on the electric locomotive--which were outlawed by the ICC circa 1918. ) The motor pulls the steam engine and its train West. Next: a 'cab ride' from North Adams, Massachusetts to West Portal and subsequently exits the East Portal of the 4.75 mile long Hoosac Tunnel.
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