Vierde Binnenvestgracht Ventilation Vienna public transport tickets Ticket for The Third Man in the Burg-Kino Telegraph cable in the hull of the ship Entrance to the Tevelingshof Haverstraat Vierde Binnenvestgracht Lifting a broken cable Transatlantic telegraph cable B/W cat Levendaal Vierde Binnenvestgracht 4e Binnenvestgracht Taking a picture Vierde Binnenvestgracht Telegraph cable ship 8-day card for the Vienna public transport system Ticket for the August Horch Museum in Zwickau Coal gassification Arcs Hugo de Grootstraat Old iron left in a park Cat on a bench House on the Langebrug Ticket for Topkino Telegraph with Morse system Operating a needle telegraph Laying an underwater telegraph cable Refuse containers Closed letter box Rijnstraat Another Chappe telegraph Ticket to the Naturhistorisches Museum in Vienna Old telegraph Wheatstone telegraph Ticket for the Kunsthistorisches Museum in Vienna Klimmende Leeuwsteeg Klimmende Leeuwsteeg Klimmende Leeuwsteeg Nieuwstraat Studio of Jacob van Swanenburgh Hans Christian Ørsted discovers that a compass nee… Windows William Cruickshank’s trough battery