United States Army doctor and medics treat an injured soldier’s leg in bed during the Vietnam War. The patient winces and reacts to pain. Doctor applies gauze on soldier’s leg. Military officials salute to a coffin draped with the American flag. Soldiers carry caskets of dead American soldiers, killled in action, into transport aircraft. Young United States soldiers board a plane. African American soldier assists another soldier reversing a motorized cart. Aircraft takes off. Bell UH-1 Iroquois Huey helicopter flying at sunset. Sunset in Vietnam.
Copper smelting factory in McGill, Nevada. Smoke rises from smokestacks. Mountains from the Egan Range in the background. Copper smelter factories in Garfield, Utah, Douglas, Arizona and Anaconda, Montana.
Unloading concentrates at a smelter. A crane scoops copper concentrate from wagons. Copper ore mixed by spreading each lot as received upon large “ore beds”. Copper ore pouring into piles. Large piles of copper ore in factory. An ore-loader plows a section of ore from the bed onto a belt, which conveys the ore to the furnace bins. Conveyer belt transports copper ores to bins. Blast furnaces smelting course copper ores. Copper matte flow from a blast furnace settler.
Roasting copper ore to get rid of excess sulfur inside a roasting furnace. A reverberatory furnace smelting fine copper ore and concentrates from mills. A flame smelting copper ore on large, enclosed hearth. A man tapping slag from a reverberatory furnace. Slag flowing into slag-pots in a tunnel beneath factory floor. Conveyer belt hauling away slag-pots to a slag dump. View of a slag dump. Copper matte being tapped from the other end of the reverberatory. Smoke rises from hot copper matte being poured into a furnace. Copper matte being treated further in a tilting furnace called a convertor.
Tilting furnaces called convertors treating copper matte in a smelting factory. A crane transports furnace filled with hot copper matte. Copper matte in factory. Furnace pours copper matte into a convertor. A furnace pours molten fluxing ore into a convertor. Thick smoke rises from the convertor as molten ore is being poured. Molten iron slag pours from furnace. Furnace pouring blister copper into huge pots.
Workers inspect and stir hot copper kept in a storage ladle of a smelting factory. Molten copper is poured from a ladle. Casting copper anodes at a smelting factory in Montana. Hot copper flows into a ladle. The hot copper is poured into casts. Casts moving in conveyer belt. Utah smelting factory casting blister copper. Man inspects hot copper in ladle. Water sprays cool down cast bars. The copper cast bars are elevated to a platform. Men taking copper casts for shipment.
CRITICALPAST.COM: About Us | Contact Us | FAQs - How to Order | License Agreement | My Account | My Lightboxes | Shopping Cart | Advanced Search | Featured Collections | Website Terms & Conditions | Privacy Policy ©2026 CriticalPast LLC.
License Agreement |
Terms & Conditions |
Privacy Policy
©2026 CriticalPast LLC.