United Scientific Supplies

Fahnestock Clips supplied in packs of ten.

This heavy-duty autoclavable bottle features thick walls and is designed for repeat vacuum applications. Cap includes a non-toxic silicone O-ring for a secure seal. Threads should be tottaly disengaged before autoclaving.

Clear polystyrene plate features deep uniform wells and include lids. Each well has an alpha-numeric marking. Non-sterile plates are individually wrapped in a plastic bag. The 24-well plate measures 5" long x 3-1/4" wide x 7/8" high. Flatbottomed wells are 5/8" deep and approximately 10mm in...

Learn how pulley drives can be used to transfer force with reduced friction and how they can increase force or speed at amazing levels. Pulleys have been used for thousands of years and are essential parts of complex machines in modern times, solving many technological problems. Build 8 working...

Investigate the conductivity of a solution with this excellent alternative to light only indicators. The current flow to a buzzer changes with the conductivity of a solution. The more free ions in a solution, the better it conducts electricity and the louder the buzzer sounds. Includes an on/off...

The quantitative electroscope is ideal for measuring the strength of an electrostatic charge. A well-balanced vane rotates in response to an electrical charge. The angle measurements printed on the back show different positions in increments of 10 degrees up to 90°. The stronger the charge the...

These autoclavable, table-top Buchner funnels are ideal for vacuum filtration. Includes a tubulated side outlet and accepts standard filters. The 750ml size is 60mm tall, 147mm in diameter, requires 125mm filter paper and the side outlet is 5/8" (16mm).

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.