US$ 25.99
Glass prism with a 5-degree apex and 5° x 5° x 170° angles
forming a resonance apparatus for determining the speed of sound through frequency and wavelength investigations
5-inch base
fanning apart visibly when a charged rod approaches to demonstrate electrostatic repulsion and induction
dual bore sights
Test Tube Glass, 14x130 pk/48 Pack Size_15 Glass prism with a 5-degreeNote: This product does not have an image. If you require one before making a purchase decision, please contact us.
US$ 25.99
US$ 24.99
US$ 29.99