Traditional REFA Time study stopwatch with 100 HM scale on top of a REFA time data sheet (Zeiterfassungsbogen), used for system of predetermined motions, similar to MTM. Image File:Time study stopwatch.JPG by Tasma3197 and licensed under the Creative Commons Attribution-Share Alike 3.0 Unported, 2.5 Generic, 2.0 Generic and 1.0 Generic license on Wikimedia.
Many but not all of the images on this blog are under a Creative Commons License. If and only if the image above is under a Creative Commons license, you can find details for the different licenses at the Creative Commons. The most common licenses are Attribution CC-BY 2.0; 2.5; 3.0; and 4.0; and Attribution Share Alike CC-BY-SA 2.0; 2.5; 3.0; and 4.0;