Dewar Vessel (Discontinued) Subcategory_Tongs supplying a soldering-free unit for

supplying a soldering-free unit for student-built optoelectronic and light-detection circuits

sized to fit standard calorimeters for uniform liquid mixing during thermal experiments

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

Dewar Vessel (Discontinued) Subcategory_Tongs supplying a soldering-free unit forBlue 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.