Description
and a 3mm thickness
Seventy-eight-piece molecular model set with 45 atoms and 33 bonds for building basic organic and inorganic structures
exposing the triangular rotor's epitrochoidal motion with a lamp-lit ignition point
the moderate curvature spreading light gently for divergence and virtual-image-formation work in refraction demos
Vernier Travelling Microscope, 10X with Wooden Case Subcategory_Electromagnetism and a 3mm thicknessCast iron travelling microscope with three leveling screws, horizontal and vertical vernier scales, and a 10x eyepiece for fine resolution measurement in classroom and research laboratories.
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