Upper Triple Root Molar Model with Interchangeable Cavities, 6-Part engine models Glass displacement vessel in borosilicate

Glass displacement vessel in borosilicate glass holds 500mL for density measurement

measuring 11 inches in length and tightened by a thumbscrew for secure benchtop support

4A standard rheostat with constantan winding on a vitreous-enameled steel tube

Designed for physics and educational uses

3 geometry favoring strong convergence and bright real-image formation across a wide aperture

Upper Triple Root Molar Model with Interchangeable Cavities, 6-Part engine models Glass displacement vessel in borosilicateInterchangeable cavity inserts swap into a single molar body to illustrate progressive decay stages, supporting dental hygiene and caries prevention teaching.