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
Summary
Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description
Tags
Date
01/01/1942
Contributors
Hollem, Howard R., photographer
United States. Office of War Information.
Location
galveston county
Source
Library of Congress
Copyright info
Public Domain