This is a photo of pages 138-9 of The Bad Boy of Music written by George Antheil in 1945. On these pages, he discusses "Ballet Mecanique," (1921) and explains that it is supposed to illustrate the interior of a factory.

Credit to the Trentoniana Room in Trenton Public Library: http://www.trentonlib.org/Cit-e-Access/webpage.cfm?TID=92&TPID=9353