Index of refraction plate, made from acrylic or glass.

This measuring set contains four high quality instruments-a 0-25 x 0.01 MM micrometer caliper, a 90 degree knife edge square, a 150 x 0.05 MM vernier caliper, and a 150 MM steel ruler. All of these are housed in a sturdy plastic storage case.

We have designed a speical stand to replace the pencil, for hands-free demonstration. Magnets are in plastic cases, to reduce breakage. Set contains 5 brightly colored magnetic rings, and the plastic stand, in a cardboard storage box.

Clamp features vinyl coated three pronged jaws that open to 2.25" wide. Includes fiberglass sleeves and a clamp holder that can be rotated 360°.

Support rings with clamp, steel rod.

These clear non-vacuum desiccators are manufactured from borosilicate glass and include a borosilicate glass lid with a molded-in knob. Clear glass provides excellent visibility and can be autoclaved. The rims of the desiccator and lid are ground glass and require greasing before use to create an…

This instrument is an enhanced version of our popular Intermediate Spectrometer.  Its larger 30mm diameter optics give brighter line images and make precise measurements easier.  The optical focusing system has also been refined and the instrument retains the same premium features as the…

This stand is ideal for use with alcohol burners. The base is made from 3/16" stainless steel rod with a plated steel mesh top. The stand can be used in either high (5") or low (4") position.

These non corrosive molded support stands provide excellent alternatives to metal ones. Even the metallic rod has a polypropylene covering making it non corrosive. Each support base comes with a 0.5" diameter 30" long rod.

This standard size (8" x 2.75") water bath is ideal for heating flasks, bottles, tubes, etc. Features seven concentric rings, flat bottom, and a steam escape outlet. Stainless steel construction.

An economical, high quality bench set that is excellent value for introductory lens work.  Features include: 74cm extruded aluminum bench with push-on plastic feet and large easy to read scale, three-position riders accommodate push-in stems of optical parts, pushing stem in locks rider in…

These mini pipettes include a two step plunger that facilitates super blow out from the tip. Can be used for reverse pipetting and repetitive pipetting, fully autoclavable. Color coded plungers. Individually calibrated per DIN 12650

This Lattice Lab System features an assortment of aluminum rods from 18" to 48" long including 10 rods that are 48" long.  Assembly is easy and requres only a screwdriver.  Support rods are made of hard aluminum and foot plates and hook connectors are made of cast…

The United Scientific™; Eco-Heat Heating Mantle accommodates round bottom flasks up to a 250 ml capacity. Continuously adjustable heating from ambient room temperature to a maximum of 380° C. Mantle is woven from glass fiber yarn to provide uniform heating to round bottom…

This magnifier offers an extra large field of view, hands free use, and folds down to a compact size for storage. Its 10cm lens provides 6x magnification. Ideal for use on a lab table, and for dissecting small specimens like owl pellets.

This basic breadboard kit contains all of the basic connecting parts to start exploring circuit design. The kit includes a variety of connecting cord sizes and two breadboards. All that is required is to provide components such as resistors, LEDs, or capacitors. Kit Contents: …

Glass prepared microscope slides, supplied in a plastic  case. A collection of slides specific to the study of histology. Set of 25. 1.    Cerabellum, section 2.    lleum, section 3.    Spinal cord, TS, 4.    Duodenum, TS …

Biology Dissecting United Scientific A set of 9 dissection instruments with vinyl pouch. Includes Straight Probe. Bent Probe. Dropper Pipet. Scalpel. Tissue Forceps. Tweezers. Ruler. Pouch

The Lattice Lab System is a lightweight flexible set of support rods and clamps that allows a wide range of lab apparatus to be assembled and securely supported. Assembly is easy and requires only a screwdriver. Support rods are made of hard aluminum and foot plates and hook connectors are made of…

Quick and easy tools for demonstrating thermal expansion. There are four bar combinations: Brass/Aluminum, Brass/Iron, Copper/Iron, and Brass/ Copper. Since each metal has a different coefficient of thermal expansion, they will create a unique curve when paired with a different metal. Metal bars…

Cast iron ring with black enamel finish. Detachable zinc plated legs. Legs are interchangeable, features removeable rings with 3.5", 4.75", 6.5" Ring O.D., 9" Height.

Help students to investigate the force on an object in circular motion with this convenient kit. Through a series of simple demonstrations, students will better understand the relationship between the radius of the circular motion, the velocity of the moving object, and the external force required…

This kit includes an air core solenoid and a current balance for demonstrating and measuring the small force experienced by a conductor carrying an electric current in a magnetic field. To run the experiment, one half of the current balance is placed inside the solenoid. The other half has an…

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…

Unique small scale version of the famous cavendish experiment to verify Newton's Law of Gravity and measure the Universal Gravitational Constant, G. This unit is remarkable for measuring the tiny value of G by simple, easily-understood means. This product has a 90 day lead time. Market…

During most of their life, stars are mostly composed of hydrogen and generate energy by converting it to helium. Although other elements are present to give individual stars their “fingerprint” the lines of hydrogen and helium are visible in stellar spectra, as in this tube. The…

Glass prepared microscope slides, supplied in a plastic  case. A collection of slides specific to the study of botany. Set of 25. 1.    Chlamydomonas, E, 2.    Spirogyra, vegetative filaments, E 3.    Spirogyra, conjugation, E 4.  …

Durable, liquid-filled clear magnetic compass is housed in a black plastic rotatable bezel. Graduated in 5° increments. Outer diameter of bezel is 45mm. Outer diameter of clear compass is 35mm. Includes a lanyard.

This device can be used as a classic standard calorimeter or as an electric calorimeter. Made of aluminum and plastic, the calorimeter has a diameter of 10cm, height of 11cm, liquid capacity of 175ml, and a heat capacity of 25J/°C. Electrical requirements are 6V DC, up to 2A.

Natural Gas with Flame Stabilizer Tirril Bunsen Burner

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.

Cast iron ring with black enamel finish. Detachable zinc plated legs. Legs are interchangeable.