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Production. Tin smelting. Two laboratory assistants at a Southern tin smelter perform delicate analytical operations that determine the amounts of pure metal remaining in slags from the furnaces. Accurate laboratory control is one of the important reasons why the percentage of metal recovery from the South American ore used at the plant is remarkably high

Production. Tin smelting. Two laboratory assistants at a Southern tin ...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More

Production. Tin smelting. Tapping the furnace of a Southern tin smelter in which pure tin is extracted from the raw ore of South American mines. Here tin is drawn off into floats which weigh about eighteen tons when filled. The metal is then conveyed to polling kettles, where dross or skimmings are drawn off and forwarded to another furnace for re-melting

Production. Tin smelting. Tapping the furnace of a Southern tin smelte...

Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More

Production. Tin smelting. Tin is recovered from smelting furnace smoke in a Southern operation that produces pure tin from South American ore. All the smoke from the furnace is carried by long tubes to Cottrell precipitating units as shown. Here an electrical current of 65,000 volts throws out all the tin held in the smoke, and makes a valuable addition to the supplies of tin now needed for the countless critical war uses of the United Nations

Production. Tin smelting. Tin is recovered from smelting furnace smoke...

Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More

Production. Tin smelting. Removing slag after tapping a furnace in a Southern tin smelter. The tin extracted from the ore has already been drawn off into floats for further refining. The slag is then run off to the right into ladles which will carry it to recooking operations. The slag is reintroduced to the process for further recovery of the metal

Production. Tin smelting. Removing slag after tapping a furnace in a S...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More

Production. Tin smelting. Pure tin for the countless war needs of the United Nations is produced from South American ore in this American smelter. The plant, recently built in a Southern city, is being rapidly enlarged to meet the heavy demand for the invaluable metal it produces. It is the finest and most modern tin smelter in the world

Production. Tin smelting. Pure tin for the countless war needs of the ...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More

Production. Tin smelting. "Bars" of pure tin are stacked in the warehouse of a Southern smelter to await shipment for war uses. Each bar weighs about eighty pounds and has a value of about forty-one dollars and sixty cents at the present price of fifty- two cents per pound. This tin, made from South American ore, serves many needs of the United Nations

Production. Tin smelting. "Bars" of pure tin are stacked in the wareho...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More

Production. Tin smelting. Removing slag after tapping a furnace in a Southern tin smelter. The tin extracted from the ore has already been drawn off into floats for further refining. The slag is then run off to the right into ladles which will carry it to recooking operations. The slag is reintroduced to the process for further recovery of the metal

Production. Tin smelting. Removing slag after tapping a furnace in a S...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More

A black and white photo of two men in a factory. Office of War Information Photograph

A black and white photo of two men in a factory. Office of War Informa...

Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More

Production. Tin smelting. Pure tin is molded into "bars" at a large Southern smelter in which the metal is extracted from South American ore. The tin is usually kept at a temperature of about 650 degrees while being molded. The metal is ready for removal in bars about two minutes after pouring

Production. Tin smelting. Pure tin is molded into "bars" at a large So...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More

Production. Tin smelting. A laboratory assistant at a Southern tin smelter performs delicate analytical operations that determine the amounts of pure metal remaining in slags from the furnaces. Accurate laboratory control is one of the important reasons why the percentage of metal recovery from the South American ore used at the plant is remarkably high

Production. Tin smelting. A laboratory assistant at a Southern tin sme...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More

Production. Tin smelting. "Pot boilers" of a Southern tin smelter in which the pure metal is kept at a temperature of about 750 degrees Fahrenheit until it is poured into molds. The plant, which processes South American ore is the finest and the most modern in the world

Production. Tin smelting. "Pot boilers" of a Southern tin smelter in w...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More

Production. Tin smelting. A section of the smelting or furnace building of a large Southern plant in which pure tin is extracted from South American ore. At the left is a row of "pot boilers" in which the pure tin is kept at a temperature of about 750 degrees Fahrenheit until it is poured into molds. The plant is the finest of its kind in the world

Production. Tin smelting. A section of the smelting or furnace buildin...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More

A black and white photo of a man cutting a piece of wood. Office of War Information Photograph

A black and white photo of a man cutting a piece of wood. Office of Wa...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Negative has a tape mask. Title and other information from caption card. Transfer; United Sta... More

Production. Tin smelting. A laboratory assistant at a Southern tin smelter performs delicate analytical operations that determine the amounts of pure metal remaining in slags from the furnaces. Accurate laboratory control is one of the important reasons why the percentage of metal recovery from the South American ore used at the plant is remarkably high

Production. Tin smelting. A laboratory assistant at a Southern tin sme...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More

Production. Tin smelting. Raw tin from South American mines is stored at a Southern smelter where the pure metal will be extracted to meet the countless war needs of the United Nations. Each stack of bags represents a fifteen thousand dollar value

Production. Tin smelting. Raw tin from South American mines is stored ...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More

Production. Tin smelting. A sample of slag from one of the furnaces of a Southern tin smelting plant is tested to determine its tin content. After it has cooled, the sample is sent to the plant laboratory for analysis. At this smelter, the most modern plant of its kind in the world, pure tin is extracted from South American ore to meet the countless war demands of the United Nations

Production. Tin smelting. A sample of slag from one of the furnaces of...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More

Two men working on a piece of wood. Office of War Information Photograph

Two men working on a piece of wood. Office of War Information Photogra...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More

Production. Tin smelting. This young technician is using a laboratory balance to determine the amount of tin remaining in slag from the furnaces of a large Southern smelter which extracts the pure metal from South American ore. Accurate laboratory control is one of the important reasons why the percentage of metal recovery at the plant is remarkably high

Production. Tin smelting. This young technician is using a laboratory ...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Negative has a tape mask. Title and other information from caption card. Transfer; United Sta... More

Production. Tin smelting. Tin ore just discharged from the crusher of a Southern smelter is stored in large stockpiles in readiness for further operations in the extraction of pure tin for the countless war needs of the United Nations. The raw ore is shipped in bags direct from mines in South Africa

Production. Tin smelting. Tin ore just discharged from the crusher of ...

Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More

Production. Tin smelting. Long tubes carry all the smoke thrown off by the furnaces of a Southern tin smelter to Cottrell precipitator units. Here all tin carried in the smoke is removed by an electrical current of 65,000 volts, and added to the metal secured more directly in other stages of the process. The large amounts of pure tin recovered from South American ore in this plant serves countless war purposes of the United Nations

Production. Tin smelting. Long tubes carry all the smoke thrown off by...

Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More

Production. Tin smelting. A workman in a Southern tin smelter, protected from harmful dust by a respirator, trims a huge stockpile of ore just discharge from the crushers. A series of smelting operations will extract pure tin for the countless war needs of the United Nations. The raw ore comes to the plant in bags, direct from South American mines

Production. Tin smelting. A workman in a Southern tin smelter, protect...

Actual size of negative is C (approximately 4 x 5 inches). Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944... More

A black and white photo of a man in a factory. Office of War Information Photograph

A black and white photo of a man in a factory. Office of War Informati...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More

Production. Tin smelting. This young technician is using a laboratory balance to determine the amount of tin remaining in slag from the furnaces of a large Southern smelter which extracts the pure metal from South American ore. Accurate laboratory control is one of the important reasons why the percentage of metal recovery at the plant is remarkably high

Production. Tin smelting. This young technician is using a laboratory ...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More

Production. Tin smelting. Tapping the furnace of a Southern tin smelter in which pure tin is extracted from the raw ore of South American mines. Here tin is drawn off into floats which weigh about eighteen tons when filled. The metal is then conveyed to polling kettles, where dross or skimmings are drawn off and forwarded to another furnace for re-melting

Production. Tin smelting. Tapping the furnace of a Southern tin smelte...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More

Production. Tin smelting. Tapping the furnace of a Southern tin smelter in which pure tin is extracted from the raw ore of South American mines. Here tin is drawn off into floats which weigh about eighteen tons when filled. The metal is then conveyed to polling kettles, where dross or skimmings are drawn off and forwarded to another furnace for re-melting

Production. Tin smelting. Tapping the furnace of a Southern tin smelte...

Actual size of negative is C (approximately 4 x 5 inches). Title and other information from print in lot and lot catalog card. Transfer; United States. Office of War Information. Overseas Picture Division. Wash... More

Production. Tin smelting. Tapping the furnace of a Southern tin smelter in which pure tin is extracted from the raw ore of South American mines. Here tin is drawn off into floats which weigh about eighteen tons when filled. The metal is then conveyed to polling kettles, where dross or skimmings are drawn off and forwarded to another furnace for re-melting

Production. Tin smelting. Tapping the furnace of a Southern tin smelte...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More

Production. Tin smelting. A laboratory assistant at a Southern tin smelter performs delicate analytical operations that determine the amounts of pure metal remaining in slags from the furnaces. Accurate laboratory control is one of the important reasons why the percentage of metal recovery from the South American ore used at the plant is remarkably high

Production. Tin smelting. A laboratory assistant at a Southern tin sme...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More

Production. Tin smelting. A new furnace building under construction at a Southern tin smelter. Pure tin will be produced here from South American ore to meet the countless war needs of the United Nations. This smelting operation, the first of its magnitude in the United States, has already achieved a heavy output of the invaluable pure metal

Production. Tin smelting. A new furnace building under construction at...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More

Production. Tin smelting. "Bars" of pure tin are stacked in the warehouse of a Southern smelter to await shipment for war uses. Each bar weighs about eighty pounds and has a value of about forty-one dollars and sixty cents at the present price of fifty- two cents per pound. This tin, made from South American ore, serves many needs of the United Nations

Production. Tin smelting. "Bars" of pure tin are stacked in the wareho...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More

Production. Tin smelting. Acid tanks at a Southern tin smelter--the finest and most modern plant in the world. The acid is used in one of the processes of separating the tin from the impurities in the ore. Construction is still going on at this plant, which has already achieved a heavy output of the pure tin needed for countless war uses of the United Nations

Production. Tin smelting. Acid tanks at a Southern tin smelter--the fi...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More

Production. Tin smelting. Storage piles of slag at a Southern tin smelter that extracts the pure metal from South American ore. This slag is reintroduced to the smelting process as many times as it is able to yield up useful constituents. The large amount of pure tin produced at this plant serves to meet many of the countless war demands of the United Nations

Production. Tin smelting. Storage piles of slag at a Southern tin smel...

Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More