Purple Molecular Model Atom, 2.2cm, 4 Holes, 10-Pack Lab Equipment and Supplies_Audio Visual Equipment the apex continuing the wedge-deviation

the apex continuing the wedge-deviation series for systematic angle-versus-deviation comparison across geometries

4 inches with thread-fitted joints tuning pressure by screw

Pictogram identifiers provide the needed information to further classify the hazard of a chemical

Zinc alloy right-angle boss head with non-toxic powder coating joins rods up to 16mm at 90 degrees

low-consumption fan motor

Purple Molecular Model Atom, 2.2cm, 4 Holes, 10-Pack Lab Equipment and Supplies_Audio Visual Equipment the apex continuing the wedge-deviationFour hole purple atoms in a 10 pack at 2. 2cm diameter, a standard kit spare for atoms forming four bonds in ball and stick molecular structures.