An original Carte De Visite photograph that would have been submitted with a patent application for a wagon mounted extension ladder used in firefighting. The mount is signed in period ink J.D. ROWLAND PATENTED JULY 1875. The photographer identified on back of photo as E.B. Nock, Photographer, 148 and 150 Ontario Street, Cleveland, O.
2.5 in. x 4.25 in.