Telegraph with Morse system Ticket for Topkino House on the Langebrug Cat on a bench Ticket for the Wiener Riesenrad 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 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 First savings account Giant trough battery in London Ticket for the Technisches Museum in Vienna Ticket for the Pathologisch-anatomische Sammlung i… Cat