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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 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 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 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 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. 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 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. 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 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. 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

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Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description

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texas galveston county texas city safety film negatives production tin laboratory assistant laboratory assistant southern smelter southern tin smelter operations amounts slags furnaces accurate control accurate laboratory control reasons percentage recovery american ore south american ore plant united states history science library of congress
date_range

Date

01/01/1942
person

Contributors

Hollem, Howard R., photographer
United States. Office of War Information.
place

Location

galveston county
create

Source

Library of Congress
link

Link

http://www.loc.gov/
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Public Domain

label_outline Explore Laboratory Assistant, Accurate Laboratory Control, Accurate

Production. Tin smelting. "Bars" of pure tin are trimmed and cleaned before removal from the molds in which they were formed in a Southern smelter. All the trimmings are returned to the "pot boilers" for remelting. The plant, finest and most modern in the world, extracts the pure metal from South American ore

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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

Farmer signing a wind erosion agreement. He will receive twenty cents an acre for listing a certain percentage of his total acreage. Dodge City, Kansas

Production. Copper (refining). Sheets of copper produced by electrolysis at a large refining operation. These will be melted and cast into ingots. Large amounts of copper are produced for the war effort at the El Paso, Texas plant of Phelps-Dodge Refining Company

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texas galveston county texas city safety film negatives production tin laboratory assistant laboratory assistant southern smelter southern tin smelter operations amounts slags furnaces accurate control accurate laboratory control reasons percentage recovery american ore south american ore plant united states history science library of congress