Description
an Erlenmeyer flask
Designed to project narrow beams through interchangeable slit plates
Thirty-two-inch advanced pulley demonstration set with 8 singles
holding volume constant across specimens for isolated density comparisons
Standard Ray Box for Optics Material_Hardwood an Erlenmeyer flaskDesigned to project narrow beams through interchangeable slit plates, this ray box gives students a controllable light source for reflection, refraction, and ray tracing demos.
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