||U. S. Steel Worker 1890
||Worker at Illinois Steel South Works, later U. S. Steel, wearing early net protective safety mask c1890
||1497; http://www.pullman-museum.org/cgi-bin/pvm/mainRecordDisplayXML.pl?recordid=10349; 81-51-5q
||The Industrial Heritage Archives provides reproductions of items from its collections for personal or research use. If an image is to be reproduced in any type of publication or on the web, written permission is required and use fees may be assessed.
||Southeast Chicago Historical Society