furnace
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A large electric phosphate smelting furnace used to make elemental phosphorus in a TVA chemical plant in the vicinity of Muscle Shoals, Ala. (LOC)
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)
No known copyright restrictions(著作権制限なし)

Hanna furnaces of the Great Lakes Steel Corporation, Detroit, Mich. General view showing tank which stores gas from the coke oven. Square building and extension in middle ground is where coal is fed to a feeder belt and then transferred to a storage place
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)
No known copyright restrictions(著作権制限なし)
961件~1,020件 (全 9,625件)