Hollow Glass Prism with Stopper, 3 x 2 x 0.7" Subcategory_Erlenmeyer Flasks Glass equilibrium tubes with plastic

Glass equilibrium tubes with plastic base demonstrate pressure equilibrium

and Newton's Third Law through one-dimensional elastic collisions along a 27-inch V-shaped track with five steel balls

Plastic-housed 100 x 75 x 40mm enclosed loudspeaker

5mm thermometer probe

Jolly bulb is 60mm diameter and is directly connected to a bourdon gauge

Hollow Glass Prism with Stopper, 3 x 2 x 0.7" Subcategory_Erlenmeyer Flasks Glass equilibrium tubes with plasticHollow rectangular glass cuvette style prism at 3 by 2 by 0. 7 inches with stopper, the sealable cavity holding water or other liquids to study Snell's law refraction across multiple media.