North Side Experimental Laboratory - Metropolitan Sanitary District of Greater Chicago

ICHi-155801

Title: North Side Experimental Laboratory Description: Experimental activated sludge filter, North Side Experimental Laboratory, Chicago, Illinois, December 15, 1930 Date Depicted: 1930 December 15 Creator: Metropolitan Sanitary District of Greater Chicago Creator Role: creator Physical Format: cellulose nitrate film Copyright Notice: © Chicago Historical Society, published on or before 2017, all rights reserved. Credit Line: Chicago History Museum, ICHi-155801 Accession Number: 1980.0059 Storage Location: Nitrate negatives of the Metropolitan Sanitary District of Greater Chicago, 1930-1937, Box 1 Horizon Bib. No.: 4714 Max Pixels - Width: 7906 Max Pixels - Height: 4738 Help improve this content