3-Piece Right Angle Acrylic Prism Set Lab Equipment and Supplies_Plastic Labware Multi-range moving-coil DC voltmeter with

Multi-range moving-coil DC voltmeter with 0-3/0-15V on one face and 0-15/0-300V on the other

Demonstrates the polarity-sensitive forward-bias behavior of a light-emitting diode on a base with two 4mm terminals

Brass Magdeburg hemispheres on a mounted base with a stopcock for releasing vacuum

this whirling hygrometer carries two thermometers from -5 to +50°C at 0

110 ohms at one-percent tolerance

3-Piece Right Angle Acrylic Prism Set Lab Equipment and Supplies_Plastic Labware Multi-range moving-coil DC voltmeter withPairs three right angle acrylic prisms in a single boxed set, the trio covering different sizes for total internal reflection, beam redirection, and image inversion experiments.