Lewis Wickes Hine - Powerhouse Mechanic Project - George Eastman House : Notes On Photographs

"This image is variously known as “Powerhouse Mechanic,” “Mechanic at Steam Pump in Electric Power House,” “Man with Wrench” and other descriptive titles. The prints in the George Eastman House collection vary not only in descriptive title but in material, content and markings, including different formats, papers, surfaces and image color; variant poses, sitters, and treatments of the subject; and multiple stamps and inscriptions. The following groupings are based on the originating negative. The last group includes variant treatments of the subject."

http://notesonphotographs.eastmanhouse.org/index.php?title=Lewis_Wickes_Hine/Powerhouse_Mechanic_Project