US$ 17.95
compatible with mass hangers and balance apparatus for physics coursework in weight
providing a ready-to-use Mg-ion source for culture-media preparation and inorganic-precipitation chemistry student work
and sliding inner box let students measure how image size varies with pinhole-to-screen distance
Perfect for any science or home laboratory
5-inch face on a heavy base
Lens Cleaning Solution, 100mL Base Size_10 x 6" compatible with mass hangers andSmaller 100mL format of professional lens cleaning solution, the lower volume option for individual station microscope and optics maintenance without sharing one bottle across the bench.
US$ 17.95
US$ 17.95
US$ 17.95
US$ 26.95
US$ 17.95
US$ 18.60