United Scientific Supplies

This is an excellent and economical set for introductory ray optics. The laser ray box projects one, three, or five parallel bright beams and is equipped with a momentary switch for safety. A vinyl template with a degree circle and a linear scale forms the optical disk, and the set includes seven...

Self-zeroing burette is mounted on a glass bottle. Includes a PTFE needle valve stopcock, intermediate stopcock and rubber bellows. Class A, ASTM E-284, meets USP standards, individually serialized and certified. Includes Schellbach backing for easy reading of liquid levels. With amber graduations....

Good quality glazed porcelain. Acid and alkali resistant. Sold as eaches. Expedite your laboratory filtration process with this high-quality Buchner funnel. Designed for durability and precision, this funnel is an essential component for any lab conducting regular filtration tasks. It's made to...

Vacuum formed sheet of ten plastic well slides

Fresnel Lens with vinyl sleeve is 3 3/8" wide x 2 1/4" tall.The magnifying window is 3 1/8" wide and 1 3/4" tall and has a magnification of 1.25x.