View of corridor with door to stair #7, floor A, Main Library, Detroit Public Library. Printed on front: "Detroit Library Commission. Addns. & alts. to Main Public Library. F.H. Martin Construction Company. Descr. lkg. north, floor A. Door to stair #7 adjoining elevator (service) #7, 2A stage. No. 55. Date: 7-19-60. Win Brunner, photo."
