Hollow Glass Prism with Stopper, 2 x 2" Subcategory_Clamps and Bossheads Automatic self-zeroing burette with reservoir

Automatic self-zeroing burette with reservoir features 50mL capacity for titration procedures with hands-free refilling and precise volumetric analysis

this handheld vacuum pump pulls partial vacuum for gas-law demonstrations

and stored magnetic energy

Mid-size right-angled acrylic prism at 55mm length and 38mm hypotenuse

Hollow Glass Prism with Stopper, 2 x 2" Subcategory_Clamps and Bossheads Automatic self-zeroing burette with reservoirBuilt for medium volume Snell's law work, a 2 by 2 inch hollow glass prism with stopper holds more liquid than the 1. 5 inch sibling for refraction index investigations across multiple media.