Weck jar secured by steel tension clips which can be removed once a vacuum seal has formed. During storage the vertical position of the rubber seal's external tongue indicates the status of the sealing. Weck products are still produced and are available from German hardware and online stores. Used equipment is frequently sold on online auction sites and in opportunity shops. Weck jar A Weck jar is a molded glass jar used in canning to preserve food. It is popularly used for jam preservation, for its minimal look and foolproof rubber gasket with a glass lid. Weck jars were created by the
Olivier de Weck media coverage of research to use planetary bodies such as the moon as intermediate in-situ sources of propellants and other resources: He has also published many articles in professional and academic publications such as: Olivier de Weck Olivier L. de Weck (born 1968) is a Professor of Aeronautics and Astronautics and Engineering Systems at the Massachusetts Institute of Technology (MIT) and an Adjunct Professor at École Polytechnique Fédérale de Lausanne (EPFL). He has authored and co-authored more than 200 peer-reviewed publications. He is a Fellow of the INCOSE and an Associate Fellow of the AIAA. de Weck serves as the