Soldiers of the U.S. Signal Corps working on radio equipment in the United States. The exterior of a U.S. Army Signal Corps building with "Squier laboratory" written outside the building. The interior of the laboratory. Engineers conducting experiments and working on various equipment for communications, including Radar, Color Radio Telephoto, and single sideband transmission for long haul radio communication. A machine that appears to be spinning and heating hot glass. An engineer operating a machine beneath a sign that says "Thermionic Shake Tests." An engineer tests various signal lights. Signal Corps men observing a radio tower. Instructors teach and demonstrate various kinds of radio relay equipment to other Signal Corps personnel. A large board reads "Multiplex terminating." An officer explains a diagram to the Signal Corps personnel. Soldiers examine disassembled radios. Demonstration of a map being transmitted to a soldier in the field via facsimile machine. Close views of a spinning drum on the facsimile machine and the map visible on it. A dramatized shot of a B-17 bomber aircraft in flight. The pilot in the cockpit of the aircraft. The pilot looks at the signals transmitted through the radar. The aircraft navigates with the radar in bad weather. A map locates Boston, Lynn, Nantasket and Quincy and it is compared to the radar image of the same region.
Soldiers of the U.S. Signal Corps working on the radio equipment in the United States. Long range forecast by the radar instruments. Men gather on a field testing weather analysis and automatic weather station forecasting instruments. Man seated in a large portable spinning radar device in the field. The instruments dropped by parachute send the weather observations details.
The United States troops setting up radar on a field in the United States. U.S. soldiers working on the sound ranging equipment. The equipment locates enemy positions. The soldiers setting up the radar. A soldier in radio room. A sign reads: 'Radio Detonator'. Soldiers working. Buildings in the background.
A radio detonator on a field in the United States. A sign reads: 'radio detonator'. Soldiers working on the equipment. A soldier presses a button on the equipment. Explosion on the ground. Aircraft in flight.
Film starts showing so-called "Television Bomb"guided missle. Closeup of television controls in the missile. View of the guided missile mounted underneath a B-17 bomber in flight. Guidance operator seen inside the bomber. The television bomb drops away from the bomber. View of the operator inside the bomber watching a television picture transmitted from TV camera in the missile nose. He uses radio controls to steer the bomb toward a test target. The missile explodes on an isolated small island test site.
A documentary titled: 'Hurricane Circuit' on Weather Bureau's Hurricane Warning Center in Miami, Florida. View of the Caribbean Sea. People standing at a harbor. Several boats anchored at the harbor. The people load their produces in the boats. Men and women standing on a pier. A car passing on the pier. A woman carrying a container on her head walking along. The Caribbean Sea and Florida located on an animated map. Florida is known for its forests, phosphate industry, farms, cattle and winter sports. Key West, Tampa and Miami located on the map. Aerial view of houses and buildings along a sea shore. Animation shows the movement of a hurricane. Rubbled houses and buildings. The Capitol building in the foreground. Buildings of the Navy Department. The building of the Hurricane Warning Weather Bureau Forecast Center in Miami. Men and women working inside the building. A woman and a man typing a document on tele typewriter. Animation shows how and from where the weather information is received. Cloud and sea condition, parametric condition, temperature and pressure conditions are analyzed.
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