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U.S. Marines firing M1919 Browning machine gun on Okinawa during World War II.
Assault made by elements of U.S. 10th Army consisting of 1st Marines, 6th Marines, 77th and 96th Army Divisions on Shuri line in Okinawa during World War 2. Two Marines firing Browning M1919, 30 caliber machine gun, from a high ridge. Several bodies of fallen Japanese soldiers. (Note: Marine firing the machine gun might be Robert Sorensen, C-1-5 USMC, who recalled being filmed on Okinawa, while firing his machine gun from a ridge at about this date. He served with Company E, 2nd Battalion, 4th Marine Regiment, 6th Marine Division.)
Demonstration of old styles helmet and 16th century gauntlet body armor at an armorer's workshop in United States.
Armorer's workshop in the United States during World War II. Man displays 16th century gauntlet body armor, and 15th century helmets. Various old style and present day helmets. Helmet with steel ear-flaps designed for pilots. A man puts on an armored suit. 16th Century Elizabethan 'Jack' or armored jackets with new type of armor for aviators. Man hammers a helmet. Headless mannequin dressed up with armored suit. Demonstration of how quickly aviator's armor can be released in case of bailouts over water. View of lock on new type of armor.
U.S. Navy Dr. Walt Miner gives historical background of LSD (Lysergic acid diethylamide) drug in the United States.
The film gives an introduction and briefs the history of illegal drug LSD (Lysergic acid diethylamide). U.S. Navy Doctor Walt Miner speaks about revealing the facts about LSD which can be documented. He speaks about the historical background of LSD. He says that LSD is synthesized from lysergic acid derived from ergot, a grain fungus that typically grows on rye. He says that ergot is a fungus that grows on grains and other cereals. He speaks about Swiss chemists Albert Hofmann and Stahl who tried to make modifications in LSD molecule in 1938. He mentions the event of 1943 when Dr. Hofmann intentionally ingested 250 micrograms of LSD in his laboratory and how he felt uncomfortable. Dr. Walt Miner further explains how unique and powerful LSD drug is and says that the most unique thing about LSD is effective dose of the material. Miner states that effective dose for LSD can range from 0.5 micrcograms to 1.5 micrograms per kilogram of body weight.To explain the effective dosage of LSD, he displays a piece of wax paper where a mark is made with a pen. A penny is placed beside that mark to compare the two sizes. Dr. Miner informs that the ink mark weighs some micrograms. Dr. Miner takes one drop of human blood from a tube and says that this one drop contains 330 million cells and in comparison to that the weight of LSD to produce its effect is equal to the weight of two blood cells.
Processing and cooling of axles in an oil bath during heat treatment of metal in the United States.
The heat treatment of front axles of automobiles in the United States. Interior of a building. The axles slowly move through a furnace with the temperature gradually increasing. The temperature is held at a point for 15 minutes to ensure absolute uniformity. The axles automatically descend into an oil bath after this process. The oil must be kept at the proper temperature to give the steel maximum strength. The oil temperature is recorded in the control office. The oil is cooled by cold water pipes. The water is cooled by fountain sprays. A storage tank replaces the oil. Cooling of the axles in the oil bath. This completes the first step of heat treatment called hardening. Metal at this stage is viewed under a microscope. Comparison of the appearance before and after hardening. Tempering of the metal to relieve the strains set up during the hardening process.
General Benjamin Oliver Davis awards medals to the 332nd Fighter Group at Ramitelli Airfield in Italy during World War II.
The 332nd Fighter Group is awarded at Ramitelli Airfield in Italy during World War II. Airplanes parked on the field. U.S. Army General Benjamin Oliver Davis, Sr. in Washington DC along with other officials arrives on the field. He bestows the Distinguished Flying Cross on his son Colonel Benjamin O Davis Jr. and three other pilots. Other dignitaries include Commander-in-Chief of the Mediterranean Allied Air Forces Lieutenant General Ira C Eaker, Commander of the 15th Air Force Major General Nathan F Twining and Commander of the 306th Fighter Wing Brigadier General Dean C Strother. Tents in the background. A band playing in the background.
African American soldiers serving in wars, especially World War I; Memorials to African American United States soldiers.
A film on contributions of African American soldiers in various wars, but mostly focusing on World War I era. African American workers at an oil field with oil derricks talk to each other. Depiction of African Americans serving in the Spanish-American War and advancing towards a battlefield. African American man speaks about his experience of the war. Scenes of excavation and construction of the Panama Canal. Huge earth moving equipment at work and a man triggers an explosive detonation during the dig. A U.S. Navy ship underway in the newly completed Panama Canal. World War I scene of a U.S. Army unit including African American soldiers marching through a town in France, in formation, with a military band leading the march. African American soldiers of the 813th Pioneer Regiment near Marseilles France work to build a railroad. Also scenes with soldiers from the 332nd Labor Battalion, and the 808th Pioneer Regiment clearing an area near Verdun. African American soldiers of the 8th Illinois infantry (later the 370th infantry) running with the rifles as they mobilize for battle in France. African American soldiers of 371st Regiment and 372nd regiment crossing battlefield during World War I. Members of the 369th regiment in battle. Railroad guns and heavy artillery firing during World War I. American soldiers leaping from a trench and running across no mans land during battle. African American soldiers of the 369th infantry ("Harlem Hellfighters") receiving awards, medals, and citations at an awards ceremony in France during World War 1. Henry Johnson and other African Americna soldiers marching in New York City victory parade soon after the armistice ending World War I. Graves of soldiers at Arlington Cemetery as seen from a moving vehicle. Images of grave markers for several African American soldiers and officers. Two African American soldiers approaching the All Wars Memorial to Colored Soldiers and Sailors, in Philadelphia, Pennsylvania. Close-up view of the memorial and plaque on the memorial. Several other memorials in the U.S. showing African American soldiers. View of a facsimile of the 371st Infantry Regiment, 93rd Division (colored) memorial in France, near the towns of Ardeuil and Séchault. Dramatized depiction of the memorial being destroyed by the invading German Army on June 15, 1941. African American preacher speaks in a church.