US$ 78.00
Lightweight equilateral acrylic refraction prism with polished triangular faces
5 x 15cm for vacuum demonstrations
Illustrates fold planes
Hundred-ohm 5W fixed resistor in an ABS module with 4mm sockets
Metal holder with two 0
Real Coal Specimen Set with Cotton Bag, 5-Piece Electricity & Magnetism_Electromagnetism & Motors Lightweight equilateral acrylic refraction prismBundled in a cotton drawstring bag with a linked crystal growing activity, this pack of five small lumps of genuine American anthracite coal doubles as novelty and classroom specimen.
US$ 78.00
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