Two identical sized screw cap metal cans (one smooth metal and other painted dull black) to demonstrate the difference in cooling rates of hot water inside the cans due to different surfaces.  The difference in the cooling rates is attributed to the thermal radiation emitted by the two cans. …

This excellent quality electrostatic generator consists of a charge generation system, an aluminum collector sphere and an electric motor drive on a sturdy base. The charge generation system is based on a moving neoprene belt mounted on insulating rollers with metal charge transfer combs. The…

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

United Scientific™ serological pipettes feature black graduations for precise reading and accurate dispensing. Reverse graduations show volume removed or remaining on all pipettes larger than 1 mL. Negative graduations provide additional pipetting volume. Manufactured from transparent USP…

Components from Lattice Lab Sets are available individually so sets can be expanded to accommodate customized needs.

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…

Liebig condensers are used to cool and condense hot vapor as part of a distilling apparatus. This condenser has a straight inner tube that the condensing vapor passes through, and a larger outer jacket that cooling water passes through. Socket is 24/40

Compact analog multimeter offers popular features such as AC voltage, DC voltage, DC current, Ohms, measures capacitance and decibels, and comes with overload protection and diode test. Includes test leads and instruction manual. Operates on 2 AA size batteries (included).

This apparatus allows the thermal behavior of a resistor, thermistor, and thermocouple to be studied, as well as a closed loop control system. This product has a 90 day lead time. Market standard for this type of product.

Equilateral prisms, made from high quality clear acrylic sheet with highly polished surfaces.

This simple and ingenious device quickly and graphically shows students how different metals conduct heat at different rates. It consists of four identically-sized bars of common metals - steel, brass, aluminum, and copper - mounted parallel to one another in a plastic support. Attached to each bar…

Tuning forks made from alluminum alloy. The frequency and leter scale is stamped on each fork.

Hooded lighter is safe and economical. The hood traps gas and protects the lighting file. Replacement flints are also available.

Plastic conical joint clips are size 24, designed to securely hold 24/40 joint size glassware together.  Note: Clips shipped are blue

Set of equipment for studying the nuclear magnetic resonance of protons in hydrogen and fluorine and measuring the gyromagnetic ratio, Lande factor, and nuclear magnetic moment of these nuclei. Includes permanent magnet, oscillator, frequency counter, and power supply. Requires an oscilloscope. …

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…

We offer a variety of magnetic compasses, from small plotting compasses up to a 45mm compass with a cover and locking mechanism. Our compasses include sturdy aluminum cases and magnetic needles with the North pole marked.

This economy Hall’s carriage is perfect for demonstrations and investigating principles such as Newton’s laws, acceleration, velocity and friction. This economy Hall’s carriage has a durable plastic body with a roomy well for additional masses (not included). The hole…

A natural rock that contains traces of iron ore with natural magnetic properties.

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…

Featured displays of this electronic alarm stopwatch include time (hours-minutes-seconds, with 12 or 24 hour mode option), calendar, 24-hour stopwatch, alarm, hourly chime, 1/100 second chronograph, split time, and total time. It is lightweight, easy to operate, ad comes complete with battery and…

Economical version of the traditional wood inclined plane. 80 CM long x 12 CM wide. Made of MDF. Includes adjustable-angle pulley and a 14 MM diameter cross hole for support rod.

Economical stainless steel Vernier calipers with 125mm/5 inch capacity. Features inside and outside jaws, full length depth gauge, friction ruler and sliding lock for gauging. Graduated in millimeters and 1/16".

This economical seven piece kit lets you demonstrate the conversion between different forms of energy. It includes four devices for generating electrical energy from mechanical motion (hand generator), chemical energy (batteries), light (solar energy), and wind (windmill) and three devices for…

This series of analog heating mantles includes a case constructed of durable stainless steel and aluminum materials. The temperature level is adjustable up to 400° C. Knitted mantle is made from glass fiber yarn and designed to securely hold round bottom flasks with the top half of the flask…

Bright plastic case makes this hand tally counter lightweight yet sturdy. The counter advances by 1, up to 9999 each time the button is pressed. Turn the side knob to return the reading to zero. Use for counting bacterial colonies, vibrations of a pendulum, etc.

Test tube clamp for all sizes of test tubes. Available with and without finger grips in both Brass Wire and Steel wire with a brass finish. Note: Wooden test tube holder can accommodate test tubes from 12mm to 25mm in diameter.

The classic demonstration of spectral lines. Each tube has its characteristic spectrum when energized before a spectroscope. These tubes acquaint students with the spectra of common gasses in their pure form as well as for demonstrating wavelength. The glass tubes are 25 cm long with the capillary…

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…

Graham condenser is designed for use in distillation applications. Constructed of borosilicate glass, this condenser has a coiled inner tube to provide additional surface area for highly efficient cooling. Socket is 24/40 with a screw thread connector.

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.