Replacement Light Source for Aluminum Optical Bench Heat & Thermodynamics_Pressure & Gas Laws and acrylic rods for triboelectric

and acrylic rods for triboelectric charge-generation experiments in series

and internal stirrer

these hexagonal ABS plastic protectors shield 500mL graduated cylinders from tip-over damage in busy teaching labs

Disarticulated half skeleton provides individual bone examination with moveable skull and intervertebral discs for advanced osteology teaching

Glass prism with a 5-degree apex and 5° x 5° x 170° angles

Replacement Light Source for Aluminum Optical Bench Heat & Thermodynamics_Pressure & Gas Laws and acrylic rods for triboelectricPlastic housed LED with a clear lens and a small bench mount foot, sized as the matched replacement light source for the PH0616EMS aluminum optical bench.