Compressors. Throughout plants of this type gaseous products frequently have to be compressed and cooled in what are called "heatexchangers." In the cycle of reaction, the pressure drops and it must be compressed and cooled.
Summary
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 19th-20th century, free to use, no copyright restrictions.
Tags
Date
01/01/1935
Location
Institute, 38.38371, -81.76541
Source
Library of Congress
Copyright info
No known restrictions on images made by the U.S. government; images copied from other sources may be restricted. For information, see U.S. Farm Security Administration/Office of War Information Black & White Photographs http://www.loc.gov/rr/print/res/071_fsab.html