Brass Ring and Ball for Thermal Expansion Demonstration Lab Supplies_Clips this empty 4mm-terminal holder accepts

this empty 4mm-terminal holder accepts user-supplied parts where pre-wired modules don't cover the experiment

creating open or closed water-head systems for potential-to-kinetic energy studies

sized for precision-resistor and thermocouple work where stable resistance matters

measuring the upward force on submerged objects in fluid-mechanics investigations

the bulky triangular geometry handling wider beams for total internal reflection

Brass Ring and Ball for Thermal Expansion Demonstration Lab Supplies_Clips this empty 4mm-terminal holder acceptsBuilt for the classic thermal expansion demonstration, this brass ball and ring fit freely at room temperature and stick tight once the ball is heated and expanded.