US$ 11.25
and 100 ppm
Simulates kinetic gas theory through an electric motor vibrating a transparent tube of small steel balls
Borosilicate crown glass prism with refractive index 1
Hand-painted dicot root transverse section model exposes epidermis
supplied in a storage case for student precision work
Round Polypropylene Test Tube Rack for 12 Mixed Tubes (4 x 25mm + 8 x 19mm) Clearance and 100 ppmPolypropylene round test tube rack holding 12 tubes four at 25 mm and eight at 19 mm with 360 degree access for benchtop chemistry demonstrations and student experiments.
US$ 11.25
US$ 12.75
US$ 17.95
US$ 45.95
US$ 11.50
US$ 12.99
US$ 17.95