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:
Time card clock Wilh. Salin company Hakasalmi Villa DSC. en Exhibit in Hakasalmi Villa City Museum Helsinki Finland Photography was permitted in the museum without restriction This exhibit was old enough so that it is in the public domain Daderot Daderot cc cc Exhibits in Hakasalmi Villa Time recorders