3-Piece Right Angle Acrylic Prism Set Lab Equipment and Supplies_Plastic Labware Brass Magdeburg hemispheres on a

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

Chrome-plated 100mm alternate-model reading magnifier with a 15cm focal length

Fifteen-volt DC scale on a 315x115mm laminated panel with sealed multiplier

110 ohms at one-percent tolerance

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

3-Piece Right Angle Acrylic Prism Set Lab Equipment and Supplies_Plastic Labware Brass Magdeburg hemispheres on aPairs 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.