Absorption machinery in penthouse, South Wing, Main Library
Description:
View of absorption machinery in penthouse, South Wing, Main Library, Detroit Public Library during construction. Pipe threading machine in foreground; control panel for fan units in background. Printed on front: "Detroit Library Commission. Addns & alterations to Main Public Library. Bryant & Detwiler Company, contr. Descr. South Wing penthouse. No. 177. Date: 6-21-62. Win Brunner, photo."