Keywords: Spelterini Zürich Industriequartier 1898.jpg de Industriequartier von Zürich mit dem Aussersihler Bahnviadukt fotografiert aus einem Ballon Blickrichtung nach Osten en Aerial photograph of the rail bridge of Aussersihl in Zurich Switzerland View towards the east http //www stadt-zuerich ch/internet/hbd/home/erinnern/baugeschichtliches_archiv html Baugeschichtliches Archiv Zürich BAZ 1898 Creator Eduard Spelterini Swiss copyright on Spelterini's work's expired at the end of 1981 since Switzerland had a copyright term of 50 years p m a until 1993 and the extension to 70 years p m a made in 1993 did not restore already expired copyrights Image Spelterini1898 jpg See also Image Spelterini Zürich West 1898 jpg for a view WNW Historical photographs of Zürich by Spelterini Aerial photographs of Zürich Aussersihl Industriequartier 1898 in Switzerland Aussersihler Viadukt |