United Scientific Supplies

Rubber Stoppers packaged in convenient 1lb bags. Available in solid, 1 hole, and 2 hole versions.

The Newton’s Rings Apparatus consists of a plano-convex lens on top of a flat glass plate, held together by a plastic frame. The pressure between the lens and the plate can be adjusted by means of three thumbscrews.

These bottles provide an excellent option for storage of reagents and other materials in the laboratory. The square shape is designed to optimize shelf space. Available in three different sizes, these bottles feature polypropylene caps, are autoclavable, and provide good chemical resistance.

3-Way adapter has a 75° angle sidearm with inner joints on the sidearm and bottom and an outer joint on the top. Inclined adapter has a 105° angle sidearm with outer joints on the sidearm and top and an inner joint on the bottom. Both adapters have 24/40 joints.

Manufactured of strong polycarbonate, these boxes are ideal for compact storage of 2.0 or 5.0ml cryogenic vials.  Boxes can be used at temperatrues from -196°C to +121°C and are autoclavable.  Transparent lids have a numbered grid for sample identification.  Frosted surface...

The vertically-aligned set of LEDs make an easy and dramatic demonstration of the relationship between the color and wavelength of light. The spectral range of each LED can be investigated with a spectrometer, or just viewed for comparisons with each other and with the “white” LED...

A set of 8 dissection instruments in a hard plastic case. Contents: Dissecting Scissors(1) Dissecting Forceps(1) Scalpel with Replaceable Blade, No. 22 (1) Teasing Needle, Plastic Handle, Straight (1) Teasing Needle, Plastic Handle, Curved (2) Dropping Pipet (1) Transparent Vinyl Ruler, 6" (1)...

Providing excellent clarity and strength, this pear-shaped funnel has a leakproof threaded screw cap. The Polypropylene stopcock, fitted with a self-lubricating PTFE plug, is push-fitted to the stem of the funnel. Not Graduated.

Store goggles, glasses, or other small lab products using the clear box. It can be used on a desktop or can be mounted on a wall. Includes a lid to keep the box free of dust or contamination.

Vividly demonstrate the interaction of a magnet and an induced current. As electrons flow in a wire, they create a magnetic field. When this current-carrying wire is near a permanent magnet it causes magnetic repulsion and motion is created. The apparatus works on 3V to 6 V DC and has a switch to...

This four-digit timer is designed to be used with air tracks, free fall apparatus, and other equipment. It is microprocessor-controlled and offers eight programmed functions to record counts, time intervals, periods of oscillation, accelerations, acceleration due to gravity, and velocities in...

A comprehensive selection of prepared microscope slides featuring 24 different subject areas. The set includes slides depicting Protozoa, Porifera, Coelenterata, Platyhelminthes, Annelida, Anthropoda, Molluska, Echinodermata, Pisces, Reptila, Aves, Mammalia, Development, Bacteria, Fungi, Algae,...

Tall form clear quartz glass crucibles are ideal for applications that require ashing of samples. Quartz material offers low expansion, dimensional stability, and thermal shock resistance. Can withstand a continuous operating temperature of 1050°C (1922°F). Lids are also manufactured from quartz and...

Precision apparatus for measuring Planck's Constant includes a mercury discharge lamp, vacuum photocell, set of mercury-line interference filters, and control unit. High quality amplifier yields results for h to better than 3%. This product has a 90 day lead time. Market standard for this type...

These miniature metal sockets have two terminals and are compatible with all of our miniature screw base incandescent lamps. Package of 15. Two terminals for easy connections All metal construction

Large Periodic Table of the Elements measures 47" wide and 35.5" tall is easily visible from every corner of the classroom. Durable material will withstand heavy classroom use. Elements included up through UUO #118.

This LDPE dispensing bottle can be easily operated with one hand.  The bottle features a polypropylene screw cap with a tethered spout lid that snaps securely in place. Dispenses one drop at a time. Spout lid is connected to the cap. LDPE with leakproof PP cap. BPA free. Availalbe in 5...

This kit can be used to build a real working motor that does not require a magnet. Learn the functions of each part of a motor, from the armature to the wire coils. Simply add a battery and watch it spin. Includes a step-by-step guide with assembly tips. Each motor requires one AA battery (sold...

UniStore™ Wide Mouth Square Bottles are available in different materials and sizes for multiple applications. The square design allows the bottles to nest together for more efficient storage, packing and shipping. The polypropylene copolymer (PPCO) bottles are autoclavable at 121°C. These...

The laser line generator is specially designed with a small glass rod in front of a Class 2 laser diode. This refraction effect creates an easily visible line instead of a laser point. The line can be projected to a distance of over a meter. When this line is used with mirrors or lenses, the...

This kit allows students to explore the electrical properties of different combinations of electrode materials using safe, everyday chemicals such as soda, vinegar, and fruit juice as electrolytes. The set contains everything needed for the experiments except the electrolytes. Voltage, current, and...

The Loop the Loop Track demonstrates centripetal acceleration and the transformation of potential energy into kinetic energy. Included is a sturdy base with rubber feet, metal ramp with loop, 16mm steel ball and 19mm steel ball. The metal ramp with loop features a net at the end of the loop to...

This high quality model is great for anatomical study. The hand is mounted on a sturdy plastic base, and the fingers are flexible enough to demonstrate movement. Model is 8.5" tall and 4" wide.

Explore basic mechanics concepts with this all-metal, freestanding apparatus, designed for both durability and ease of use. The plane is wide enough to accommodate standard friction blocks or a Hall’s carriage with a smartphone attached, and its walled construction prevents objects from falling off...