Heinrich Hamann; Atelier J. Hamann; Johann Hinrich W. Hamann; excursion boats; collodion paper; black and white positive process; total: height: 7.50 cm; width: 15.00 cm; travel photography; reporting photography; hist. Place; town; village; rowing boat; canoe; coast; travel/tourism; mountains; mountain range; town; city view (veduta); hist. Building; Locality; Street; Sea