An oil refinery in the United States. An oil tank holding about 55,000 barrels of oil at the refinery. Crude oil stills at the refinery. A worker cleans a still and bolts manholes. Rotary pumps force oil to the stills and then heat is applied. Coal is delivered to a stoker under each still by automatic machinery. Animation of a still detailing the process of oil distillation.
An oil refinery in the United States. Pipelines used to transport oil to the refinery. Heating of oil in containers. Boxes in receiving house which permit inspection and testing of oil as it come from stills. Tests are made by workers to determine quality and gravity of oils. Tanks to store oil awaiting further treatment.
An oil refinery in the United States. When oil has passed from stills after distillation, there remains coke which must be removed. A man wears a mask and gloves before entering a still. The man removes coke from the still. Workmen relax. Coke is cooled. Workers shovel coke. A crane dumps coke. Oil is transported to stills where test products are made by further distilling. A receiving house where pumps are used to pump oil to the stills and from the stills back to the receiving house.
Ford trucks pass along a road in Michigan. A Ford truck loaded from N&W railroad car. Trucks pass along a snow covered road. A pick up truck and a tank truck drive past in the background. Street cars in the background.
The first mid-air refueling at Rockwell Field in San Diego, California. 1st Lieutenant Virgil Hine and 1st Lt. Frank W. Seifert pose next to the cockpit of a modified United States Army Air Service Airco DH-4B. Workmen repair a hose under the fuselage of the modified DH-4B tanker aircraft. A workman pulls the hose out from under the aircraft. A second DH-4B aircraft in the background. The modified DH-4B transfers fuel to another modified DH-4B via a hose between the aircraft. Wings of DH-4B camera airplane. The modified DH-4B tanker with the fueling hose trailing behind it. Two modified DH-4Bs. The tanker aircraft with the hose trailing below it moves away from the fueled airplane and flies away.
A flight over Mt. Lassen in the Shasta Cascade, California. United States Army Air Service (USAAS) Airco DH-4Ms take off from Mather Field. DH-4M, strut and wing wires of DH-4M airplane. A DH-4M aircraft flies over snow-covered, wooded and mountainous terrain. Mt. Lassen seen. Wing wire bracing of the airplane in the foreground. A pilot in the cockpit. Mt. Lassen in the background. The pilot looks out from both the sides of the cockpit. Snow-covered Mt. Lassen. Volcano top of Mt. Lassen. The DH-4M aircraft flying over the crater of Mt. Lassen. The aircraft flies over the snow-covered precipice of Mt. Lassen. The airplane circles over the crater. The wingtip of the airplane is visible as it circles the peak. Lieutenant Carlyle Ridenour and Lt. Eugene Batten pose beside their DH-4M aircraft.