US$ 136.07
this brass cylinder on an ebonite-insulated base demonstrates Faraday-cage shielding and uniform-curvature charge density
Pairs 75mm sides with 9mm thickness on an equilateral flint glass refraction prism
Illuminated solar system model with a socket-lit sun
Diatom model displays the silica frustule architecture and intricate valve patterning characteristic of these unicellular algae for aquatic biology teaching
Solanum Nigrum Vertical Section Model Electricity & Magnetism_Electricity & Circuits this brass cylinder on anBuilt for comparative plant reproduction teaching, this Solanum nigrum vertical section exposes ovary chambers, stamens, and fused corolla of the nightshade family.
US$ 136.07
US$ 477.23
US$ 114.49
US$ 140.50
US$ 212.13
US$ 124.49
US$ 135.12
US$ 34.95