United Scientific Supplies

Quickly removes insulationwithout damaging wire. Set screw adjusts stripper to fit wire gauges from 10 to 24. Made from drop forged steel with black backed enamel finish. PVC Handles. Total length is 4".

Strong Wooden Frame with hinged cover. Slides fit into numbered beveled slots. Printed index lines the cover.

Clamp holders for rods up to 19mm (0.75") in diameter. Available in Cast Iron or Brass.

A pair of lenses mounted on a metallic frame with three adjusting screws complete with teacher activity guide.

The kit was developed by the same teacher who brought you recombinant DNA technology manipulatives. Now available are manipulatives for teaching protein synthesis. Wheteher you have taught this content a thousand times or this is your first, you will find that all students can learn this material!...

This set contains twleve 24 mL glass test tubes with rubber stoppers, and a brightly colored two tiered test tube stand.

Heavy wire test tube racks includes a durable epoxy coating. Autoclavable. United Scientific Supplies' Test Tube Rack, Epoxy, offers a reliable solution for organizing and storing test tubes. Its epoxy coating provides resistance to chemicals and corrosion, ensuring long-lasting durability. The...

United Scientific™ graduated cylinders feature a double metric scale, calibrated to contain. Borosilicate glass cylinders with pour spouts feature heavy uniform wall tubing and attached glass hexagonal bases. Made from heavy-duty borosilicate 3.3 glass • Meets ASTM E1272 Class B...

Class A, ASTM E287, meets USP standards, serialized and certified. Waiting time of 30 seconds. Manufactured from precision bore tubing and calibrated To Deliver (TD, Ex) on computer-controlled machines. Includes PTFE straight bore stopcock.

Optically true glass with scratch-resistant copper back silvering individual glass mirrors ideal for a variety of optics experiments. Focal lenghts available from 25mm - 300mm.

BOD Bottles for incubating diluted samples of clean, waste, effluent, and polluted water during the 5-day biochemical oxygen demand (BOD) test. Bottles are numbered to allow for convenient organization of samples. 300 mL bottles also include a bar code. Glass robotic stoppers are included. The 300...

Sterilized polystyrene transport tubes are graduated from 1 to 8cc with graduation intervals of 1cc. Include raised graduations on the outer surface, a flat bottom for self-standing, and a leak-proof polyethylene screw cap. Dimensions: 20mm diameter x 112mm height with cap. Case/500

The Electrostatics Kit is a collection of materials designed for students to investigate the creation of charges through friction between various rods and fabrics. Contents include: Hollow Glass Friction Rod (1) Glass Friction Rod, Half Ground (1) Ebonite Rod (1) String, 10' (1) Balloons (3)...

Stackable polycarbonate racks are compatible with both 1.5ml and 2.0ml microcentrifuge tubes. Each hole has molded in numbers and letters for sample identification. Ergonomic design provides easy insertion and removal and of tubes. Can be used in wide temperature range (-135 °C to 135 °C)....

This model displays the three essential parts of a plant cell: the cell wall, cytoplasm, and the nucleus. The model also shows the nature and position of the vacuole and nucleus. A detailed key is included.

Our meters are mounted in black plastic cases. Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding posts and an external zero-setting screw. Meters are not protected against prolonged or significant overload. Stackable for storage.

This model is patterned on a corn stem to show the general anatomy of a monocot in both longitudinal and cross sections. Features such as the cuticle layer, epidermis, closed vascular bundles, parenchyma cells, and others are clearly shown. This injection molded model is more durable than the more...

Convenient assortments of various sizes of rubber stoppers in 1lb bags. These rubber stoppers are essential for sealing laboratory containers, preventing leakage and contamination. Made from high-quality rubber, they provide a tight and reliable seal. The stoppers are designed to fit a variety of...

This apparatus helps students to understand the Coriolis effect, the phenomenon whereby an object moving on a spinning surface will travel in a curved path. The demonstrations that follow will allow students to observe the Coriolis effect on a small scale, then explore how the Earth’s constant...

An oversized set of 6 lenses and prisms designed for mounting on a magnetic chalk or marker board. Lenses are about 8" long, so your optics experiments would be clearly visible from every part of the classroom. Each piece in the set has a pre-attached magnetic backing. Set contains 1 each of...

Pair of Magnetic Needles

Set of five color filters (2.5" x 2.5" x 1/8") made of acrylic. Includes one each of the following colors: red, orange, yellow, blue and green.

Useful tool for determining wind speed. Made of corrosive resistant materials for continued outdoor use. It features a red colored cup to easily count the number of rotations. Includes activity guide.

Demonstrate Torricelli’s theorem to show the relationship between water pressure and depth. This clear acrylic cylinder, 19-5/16” high, includes three vertically aligned spouting nozzles positioned 4-3/4” apart. Each spouting nozzle also includes a stopper so pressure at each...