Dewar Vessel (Discontinued) Subcategory_Tongs 3 inches wide with a

3 inches wide with a 1-inch spout

and thylakoid architecture for photosynthesis and organelle ultrastructure teaching

Hand-painted arterial red and venous blue vessels trace the full systemic and pulmonary circulation across a mounted human figure for cardiovascular teaching

Self-cycling bimetallic-strip demonstrator on a 130 by 80 by 30mm base

supplied with a rubber seal for bell-jar vacuum demonstrations

Dewar Vessel (Discontinued) Subcategory_Tongs 3 inches wide with aBlue anodized aluminum one piece Dewar vessel with a cork lined lid carrying a stirrer aperture, an 8 mm rubber sealed thermometer port, and a 40 mm stoppered charging port for thermal work.