Steel manufacture, Allegheny-Ludlum. Pig iron such as this is a major ingredient of steel. Blast furnaces have smelted down the iron ore to obtain the pig iron used in all three types of steel furnaces: open hearth, Bessemer converter, and electric
Summary
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 information about the FSA/OWI Collection is available at http://hdl.loc.gov/loc.pnp/pp.fsaowi
Film copy on SIS roll 30, frame 406.
Tags
pennsylvania
allegheny county
brackenridge
safety film negatives
alfred t palmer
united states office of war information
photo
pig iron
steel
steel furnaces
iron ore
blast furnaces
office of war information
farm security administration
united states history
library of congress
Date
01/01/1940
Location
allegheny county
Source
Library of Congress
Link
Copyright info
Public Domain