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Vietnam 1925 stock footage and images
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Explanation with diagrams, of the oil refining process and oil refining techniques in 1925
Using a beaker labeled crude oil, a man demonstrates that it yields petroleum products of 30% gasoline, 20% kerosene, and 42% lubrication oil and wax, and 5% coke. Animated diagram shows layers of rock and wells being drilled to various depths to tap oil reservoirs, avoiding water pockets. Another chart shows successive layers of natural gas, oil and salt water that may be encountered. On the surface, the boiler, mud pond, derrick, engine and pump are identified at drilling site. Well casing, drill and movement of drilling products are illustrated.
Scenes of Naval Operating Base, Hampton Roads, Virginia in 1925
Naval Operating Base, Hampton Roads, Virginia (renamed U.S. Naval Station Norfolk, in 1945 ). U.S. Navy Commander seated in a chair aboard a ship. A large group of civilian businessmen and officials pose on board a ship with several American Navy officers and one British Naval officer, for a photograph. Some of them stand and some are seated. One civilian stands in front of the group and poses with an American Navy Captain. Change of scene shows Admiral Way on the Navy Base, containing mansions and other structures from the 1907 Jamestown Exposition. It is a very windy day and several civilians are seen on a sidewalk and entering a large building on Admiral Way. Numerous Navy personnel in uniform are seen in the area, including a number of Naval officers entering that building and others heading there along a sidewalk. Residential mansions are seen in the vicinity along Admiral Way.
Coverage of the fabrication of the helicopter in factories of Netherlands in 1925.
A helicopter is drawn out in fields by men. Two men carrying out helicopter fabrication process in a factory. Men working on landing gear. Men working on a cone made up of sheet metal which is attached to a worm wheel. Rotor axis is mounted on gear box. View of men working on rotor blades of helicopter which are pivoted universally to the main rotor axis. Men are shown working with fuselage and tail section of helicopter. (World War II period).
Helicopter rising to a short distance and descending in the first flight tests at Soesterberg in 1925.
Shows men assisting helicopter to rise. Helicopter rises to a short distance and descends. The action is repeated and finally the helicopter tilts on its side and is held by men.
Scenes of ocean waves crashing against shore and rocks. Ships, ports, ocean-going commerce and dirt and smoke
Ocean waves crashing against rocky shores. Ships underway at sea. Water splashes around a ship. Sea gulls fly above water surface. Commercial sea-going freighters clustered in port. An unkempt western man wearing a cap, sits at a table with six children. He eats and feeds the smallest child, while a woman stands behind him watching. A western woman (streetwalker?) stands alone on a deserted street in a port town. Numerous ships emit smoke and operate in a port. A ship unloads cargo in a tropical port. A crocodile leaves a beach and attacks prey in the water.
Flight testing of a bi-wing Berliner Helicopter in Washington DC.
Test flight of a Berliner helicopter by Henry Berliner. A hybrid airplane helicopter built by Emile Berliner and his son Henry Berliner is shown during a Washington DC test flight. It rises and move forward in short hops. The lighter weight design and high incidence large camber lower wing indicates it was likely built in 1924 or 1925 as one of the last Berliner models, following after a triplane version that was test flown in February 1924.
