View of construction worker examining top level of book elevator or dumbwaiter shaft in South Wing, Main Library, Detroit Public Library. Handwritten on front: "Bookveyor #5 at pent ho. level, So. Wing." Printed on front: "Detroit Library Commission. Addns & alterations to Main Public Library. Bryant & Detwiler Company, contr. Descr. bookveyor #5, S. Wing, penthouse. No. 135. Date: 1-23-62. Win Brunner, photo."
