US$ 347.50
an Erlenmeyer flask
Hand-painted female pelvis model exposes ilium
Double-parallel plastic pulley with two 50mm wheels in a steel frame and end hooks
625 inches in diameter
Designed to project narrow beams through interchangeable slit plates
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.
US$ 347.50
US$ 90.00
US$ 225.00
US$ 34.00