Human Eye Model, 5X Sagittal Cutaway Base Size_13 x 7" and refraction blocks during ray-box

and refraction blocks during ray-box and spectrometer experiments

Cover-protected single-phase rheostat with constantan winding and 4mm safety socket terminals

and 13-mm tubes in a single base

Oscilloscope with feel of Digital touch

Pack of 10 porcelain combustion boats with handles support small samples during high-temperature heating and chemistry analysis procedures

Human Eye Model, 5X Sagittal Cutaway Base Size_13 x 7" and refraction blocks during ray-boxFive times enlarged sagittal cutaway exposes the full interior chamber, lens, and retinal structures at a scale visible across a classroom during group anatomy demos.