The so-called "Fränkischer Turm" can be seen on the view of the Acropolis. The tower was torn down in 1875 with the financial support of Heinrich Schliemann.
Lit.: Dorothea Ritter. Im Lichte des Helios. Griechenland in frühen Photographien aus der Sammlung Siegert. Munich 1999, ill. p. 64 (variant) and p. 80 (variant).