United Scientific Supplies

Designed as a convenient solution for temporary storage and transferring of microscope slides . The bottom is lined with a cork pad, and the lid has a printed index for quick reference. Accommodates microscope slides in two sizes: 75.0 mm × 25.0 mm × (0.8-1.2 mm) 76.0 mm × 26.0 mm...

These weight sets include accurate, non-rolling hexagonal masses made of steel, and feature a durable black oxidized finish. Sets are supplied in sturdy cardboard boxes. Metric Weight Set includes two each of 5g, 10g, 20g, 50g, and 200g masses,

Our Clamps feature strong malleable iron frames that are painted to reduce corrosion. Available with 2, 3, 4, 5, or 6 inch jaw openings.

This large ABS plastic pulley connects easily to table edges up to 53 mm thick. The 50 mm diameter smooth rotating pulley is attached to a 140 mm steel rod. This adjustable 8 mm diameter rod can be positioned and secured using the locking knob mechanism. Vertical range of the top of the pulley to...

Clear, square disposable polycarbonate bottles are space-saving and convenient to handle. Useful for mixing, sampling, and storage applications. Graduations and large marking spot are screened in easy-to-read white enamel. Includes a blue, liner-less GL 45 polypropylene plug-seal autoclavable cap....

Convenient, economical package of materials to start investigating electricity concepts. Assortment includes: 6 Round Plastic Bulb Holders, 3 Knife Switches, 6 Battery Holders with Fahnestock Clips, 10 Fahnestock Clips, 1 Wire Stripper, 3 Wires with Alligator Clips, 18"; Assorted Colors, 3 Wires...

It can be challenging to learn the atomic structure of elements and how such structure leads to trends in the periodic table. Teachers using visual and tactile models can overcome the abstract nature of the subject matter and greatly enhance student conceptualization. This kit contains materials...

Constructed of clear acrylic with highly polished surfaces, these prisms are ideal for projecting a clear, sharp spectrum. Set of Right-Angled Prisms consists of 25mm, 50mm, and 75mm long prisms.

A large size prism for either experiments or optical demonstrations. The thick size allows the prism to stand upright without supports.

Designed for beginners as well as experienced navigators, this sextant features an adjustable index mirror, index, and horizon shades. Durable brass construction, and features like more expensive models make this a great value Weighs only 0.75 lbs. An instruction sheet is included.

Contains two investigative area and six STEM investigations that teach students about heats of fusion and reaction, thermochemistry, iceberg types and thermohaline circulation and climate change. The kit includes enough materials for 40 students working in groups of 4, as well as PDF Teacher and...

Economical Bowls are constructed from 204Cu Stainless Steel for corrosion resistance at a lower cost.  Bowls features a polished mirror surface foreasy mixing and cleaning.  Can withstand temperatrues up to 1400°F (760°C). Meets NSF standards.

Our polypropylene one-piece measuring cylinders have raised graduations for easy readability. They are autoclavable and have excellent contact clarity. The hexagonal base provides excellent stability to the cylinder, and the tapered spout enables easy pouring of reagents. Stated tolerances are the...

These support stands with rods come complete with a stamped steel base with black enamel finish and a removeable zinc plated steel rod.

The MAKERSPACER DIY Line uses advanced mathematical design with simple to use laser cut wooden parts to create a fun and easy to use design experience. Accompanying the series is a detailed theory book. This resource extends beyond simple assembly instructions to offer a deep dive into the...

Polyester wipes are 100% virgin, continuous-filament polyester in a double-knit, no-run interlock design with a laser cut, sealed edge. Recommended for use in cleanroom critical environments and a wide variety of applications including cleaning medical devices, electronics displays, instrument...

Small spine model is molded from PVC plastic and hand-painted to show cervical, thoracic, and lumbar regions and sacrum/coccyx.  Spine measures 14" x 5.25" x 4" and mounts on a metal rod with a plastic stand. Includes a fold-out laminated color guide indicating 66 labeled...

This set includes a friction block and a friction board, both made of high quality, smoothly finished pine wood. The friction block has a hook for a spring scale and three compartments for additional weights. It can be placed face-up or sideways. Students can vary the weight or area of contact to...

Made of quality, non-corrosive glass. Thickness No. 1. United Scientific Supplies offers Student Quality Cover Slips designed to provide clear observation of specimens under a microscope. These slips ensure excellent light transmission and are made from high-quality glass, offering durability and...

This large clear acrylic case makes it possible to observe the magnetic field around a magnet in 3-D. Each side of the field demonstrator is sealed, so there is no mess to ever clean up. The center of the demonstrator houses a powerfulmagnet with the North and South poles clearly marked. The...

Push cart and eject the steel ball from the spring-loaded barrel. The ball falls back into the barrel of the moving car, demonstrating that the forward motion of the ball is the same as the vehicle from which it was ejected. Comes with a steel ball, release pin and cord. The barrel permits two...

Measuring (Mohr Type) pipettes are manufactured from specially selected, heavy wall machine drawn borosilicate accurate bore glass tubing. They have precision fored jets and bevel ground ends to resist chipping. The graduation marks are in durable white enamel or amber stain; both are resistant to...

This Collection contains 20 Types of Basic Rocks Specimens of Igneous, Sedimentary & Metamorphic Rocks Types. The Rock Specimens include Basalt, Gabbro, Granite, Obsidian, Pegmatite, Pumice, Anthracite, Gneiss, Marble, Quartzite, Serpentine, Slate, Chalk Lumps, Conglomerate, Diatomite, Flint,...

This convenient one pound assortment of borosilicate glass tubing includes various thicknesses and wall sizes. All pieces are 12" in length.