US$ 24.95
supplied in a storage case for student precision work
and 100 ppm
Open-frame demonstration DC motor exposing armature
dermal papillae
5-inch base
Round Polypropylene Test Tube Rack for 12 Mixed Tubes (4 x 25mm + 8 x 19mm) Clearance supplied in a storage casePolypropylene 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$ 24.95
US$ 34.95
US$ 13.90
US$ 13.90
US$ 14.90
US$ 30.00
US$ 26.95
US$ 54.95
US$ 22.95
US$ 34.95