This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Seetaschenuhr Berthoud. Die Seetaschenuhr von Herrn Berthoud in einem Tragegestell Johann Gottlieb Geiler Der Uhrmacher oder Lehrbegriff der Uhrmacherkunst Leipzig Achter Theil Tafel VI Fig Scan vom August Karel Public Domain da Quelle antiquarisch und privat PDold original upload log de Karel page de SeetaschenuhrBerthoud