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.
HeizkrperVenteil Beginn P. HeizkrperVenteil ca Anfang Jahrhundert Hersteller Schubert Chemnitz selfphotographed Fernost Radiators Economy of Chemnitz Radiator valves
Page 2023 Free-images.com. All images are Public Domain