Manufacture of Steel during World War II in United States. Bessemer converter seen in tilted position being charged with molten iron from a ladle, under control of crane operator. Bessemer converter operator manipulates lever to cause converter to tilt up and air to blast through the molten iron. This burns excess carbon, silicon and manganese and converts the iron into steel. Molten steel is poured into molds. which are removed after steel solidifies. Hot ingots are moved on rail cars to a place, where they attain a uniform temperature and are ready for rolling. Ingots stored in pit.
A shipyard in the United States during World War II. A newly christened ship slides down an inclined slipway on its launch.
Laboratory aboard oceanic survey vessel in Pacific Ocean. Technician scrapes small amount of mud from a core sample, and examines it under a microscope.
Invention of the incandescent lamp by Thomas Edison in the United States. A dramatization: Thomas Edison and his assistants build a 110 V dynamo. Edison builds a multiple series system. A diagram compares a multiple system with a series system.
Hollywood movie stars Bob Hope and Bing Crosby play sailors preparing to return to civilian life after the end of World War 2. Includes comical sketches from the Hope and Crosby Road Show series of movies. They discuss sailors and soldiers receiving money for college and other benefits following separation from the military. Both, Hope and Crosby, turn serious at the end and exhort sailors to be patient and follow proper procedures in leaving active duty so they will each receive an honorable discharge and all benefits to which they are entitled.
Maneuvers of the USS Akron (ZRS-4), helium filled airship off the Jersey Coast in the United States. A Consolidated N2Y-1, with trapeze hookup equipment, in flight. The plane is released from a trapeze on the USS Akron. The airship in flight. An aircraft hooked to trapeze on the USS Akron. Another plane follows the USS Akron. The USS Akron with a plane hooked onto the trapeze. Another plane follows directly beneath it. Structure of the USS Akron in flight.
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