File:BehrensWatch.jpg

This image is a derivative work of the following images:


 * File:Behrens-watch.jpg licensed with Cc-by-2.5, Cc-by-sa-3.0-migrated, GFDL
 * 2006-10-06T11:50:38Z Christos Vittoratos 1752x2008 (1395778 Bytes)  Industrial clock designed by Peter Behrens. Foto: Christos Vittoratos