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M4-training stock footage and images

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Animated film with the help of diagrams depicts radio transmission and reception.

Training film The Wizardry of Wireless, on radio transmission and reception. View of a diagram with Grid Potential written on it. The oscillating action causes the antenna current to alternate. Alteration depends on turns of wire in the coil. Man demonstrates the direction of current flow on instrument. Animated picture of the electromagnetic waves from a tower. The transmitters are connected and antenna current passes through them. Diagram with sound waves, battery and the transmitter.

Location: United States USA
Date: 1941
Duration: 5 min 10 sec
Sound: No
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675042999
British warships protecting shipping and convoys in the English Channel during World War I

British Royal Navy efforts to protect shipping and convoys in the English Channel during World War 1. Boats are seen behind a breakwater on coast in United Kingdom, during World War 1. A British two-stacker I- class destroyer underway with black smoke pouring from its funnels. British soldiers with weapons and personal gear at a rail yard, with train in background. They descend stairs to a pier and board a crowded troop ferry ship. Two troop ferries underway in the English Channel. View of the British Monitor ship, "Marshal Soult" mounting two 15-inch guns. British soldiers loaded aboard two troop ships departing the United Kingdom (one is a side-wheeler). Women on the pier waving goodbye. A British gunboat underway. View from stern of a boat putting out a good wake. A dirigible low over the water and a steaming warship seen in background. Workmen marching across the mole protecting the German submarine (U-boat) base at Zeebrugge, Belgium (Slate says before it was blown up by the British). (World War I; World War 1; WWI; WW1)

Location: United Kingdom
Date: 1918
Duration: 3 min 17 sec
Sound: No
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675043159
Skiers uplifted by lifts from base of slope at Zugspitze Platz in Garmisch, Germany.

Skiers ski at Zugspitze Platz in Garmisch, Germany. A group of skiers wait to board a cog train. View of snow covered trees and mountain peak. Skiers stand at the base of slope waiting for lifts to take them uphill. A group of skiers uplifted with the help of rope in line.

Location: Garmisch-Partenkirchen Germany
Date: 1965, November 16
Duration: 1 min 46 sec
Sound: No
Color: Monochrome
Clip Type: Unedited
Language: None
Clip: 65675043211
The United States Military trucks pass through the gates of the Fifth Motor Pool Transportation Squadron in Korea.

The United States Military Police jeep leads a convoy of military trucks through the gate of the Fifth Motor Pool Transportation Squadron (The Mule Train). The Fifth Air Force Insignia outside the post in Korea. Workers unload tables and other stuff from the trucks.

Location: Korea
Date: 1954
Duration: 2 min 30 sec
Sound: No
Color: Monochrome
Clip Type: Unedited
Language: None
Clip: 65675043227
Guards of the King, The Corazzieri on horseback in Italy.

Guards of the King, The Corazzieri, special force of 100 men undergo training in Italy. They jump over from a high stone wall and perform stunts on horseback. Officer on horseback with his troops. Italian ready to escort the sovereign. Troops march on horseback with flag in hand.

Location: Italy
Date: 1929
Duration: 4 min 46 sec
Sound: No
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675043285
Scenes of Category 5 hurricane and devastation in Florida Keys, during Labor Day weekend 1935

Hurricane scenes and damage in the Florida Keys from the strongest hurricane ever to strike the United States, making landfall in the Florida Keys on September 2, 1935. It had a pressure reading of 892 millibars. Massive winds blowing and bending palm trees. Vehicles damaged. Derailed train on railway track.

Location: Florida Keys United States USA
Date: 1935, September 2
Duration: 14 sec
Sound: No
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675043317
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