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Keywords from Image Description:
Hasler AG Zytglogge Hauptuhrwerk. Main clockwork of the Zytglogge tower Berne Hauptuhrwerk des Zytgloggeturm Bern Zeitglockenturm der Stadt Bern mit Uhrwerk berreicht der Firma Hasler Bern Undated file with photographs University Library of Berne index no ZB var circa The file is undated The photographs must have been taken after