View of corridor and machinery inside Waterworks Park pumping station; machinery is enclosed by railings. Printed on front: "Interior view, Water Works pumping station, Detroit, Mich." Printed on back: "The pumping station at Waterworks Park is a sight well worth seeing. The ponderous machinery in connection with its mammoth pumps forces 103,000,000 gallons of water through the mains every twenty-four hours. This view shows the three Allis-Chambers triple expansion engines. The fly wheels on each of the engines weigh more than forty tons each." Handwritten on back in upper right corner: "1/28/10."
