This is a quick and clean way to visualize magnetic fields. The demonstrator is a transparent acrylic case that holds iron filings suspended in a fluid of appropriate viscosity. When it is placed over a magnet, the field pattern can be viewed directly, or it can be placed on an overhead projector…

Magnifying Glass with a glass lens, metal frame, and bakelite handle.

Specially constructed hammers for sounding tuning forks. TFWHAM has a spherical hard rubber head on a varnished hardwood handle. TFHAMR has an acrylic head with a rubber end mounted on a metal/wooden handle.

Heavy cast iron triangular bases with black enamel finish include a zinc plated steel rod.

Molded in Polypropylene, this flask stand gives a stair-like top view. Every step provides excellent support to the round bottom flask at every point of contact. This flask stand can hold round bottom flasks up to 10,000ml capacity. This stackable flask stand can also be autoclaved.

The liquid convection apparatus is made from Borosilicate Glass and is bent into a rectangle with a filling funnel. To show the convection of heat in a liquid, simply fill it with a colored liquid and place a heat source at one of the bottom corners. Glass tube is 20 mm outer diameter bent into…

Clear plastic magnifier is 90 mm (3.5") in length and features a lens of 3x magnification. The lens is 35mm in diameter.

This comprehensive and economical set is based on a mechanical vibration generator and a sine wave signal generator and includes a support system anda range of accessories.  The imprtant basic types of mechanical vibrations and waves can be investigated.  Includes demonstrations…

A convenient starter set, includes our popular DSET14 instruments Set and one DPS001 Dissecting Tray. The tray includes a layer of white wax and measures 11.5" x 7.5" x 2".

This set of 15cm long x 2cm wide strips can be used in chromatography studies. Sold as a pack of 100 strips.

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

A Vigreux column is a type of air condenser where the simple tube has been modified to include an abundance of downward-pointing indentations. This dramatically increases the surface area per unit length of the condenser. Includes a 24/40 connector.

A comprehensive set of mechanical vibration and wave motion apparatus based on a sturdy, reliable vibration generator that can be used with any frequency generator that can deliver a signal of up to 1A. The piston delivers an amplitude of up to 7 mm, depending on the load and frequency. The…

The calorimeters hold up to 200 ml of liquid and the digital thermometers measure temperatures between 50°C and 150°C with a precision of 0.1°C. The aluminum bridge has a cross sectional area of 122 mm² and is about 200 mm long between the liquid reservoirs (the exact length can…

A set of six glass spherical mirrors with back survace silvering. Includes three convex and three concave mirrors, all of 50mm diameter. Focal lengths are: 50mm, 100mm, 200mm, -50mm, -100mm, -200mm.

An insulated snap-on connector with 15cm red and black leads.

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…

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…

Sturdy support for meter stick demonstration balances and torque experiments. The cast metal support is 18.5 CM high. Requires knife-edge clamps, slotted weights and hangers, and a meter stick. Shipping weight: 0.5 Lbs., dimensions: 7" x 3" x 3".

This versatile and tough steel inclined plane includes a graduated protractor and an adjustable pulley. Incline is 4" wide x 23" long. Includes a 14oz. Roller that can be used as a vehicle on the plane or as a counterweight. Also includes a pan and cord for masses.

This attractive and economical Stirling Engine is both engaging and a great educational tool. It runs by exploiting the heat flow generated by the small temperature differences between room temperature and a container of hot water or ice. The Stirling Engine is an External Combustion Engine (the…

Plastic Insulated Copper wire is 22 gauge, supplied in 100 foot rolls and available in three colors. Bare Nickel Chromium Wire is supplied in 4 ounce spools. Enameled Copper Magnet Wire is supplied in 4 ounce spools. Soft Bare Copper Wire is available in 4 ounce or 1 lb spools.

Consists of solid metal cylinder in a close fitting metal bucket, 19mm in diameter, 50mm long. Shipping weight 3 oz. Dimensions: 4"x1.5"x1.5"

These autoclavable desiccators are made of polypropylene (PP) and polycarbonate (PC) and can hold a vacuum up to 740mm Hg for 24 hours without any greasing. Autoclavable at 120°C for 15 minutes. The top dome, molded in rigid and transparent PC, gives a crystal-clear view of the sample. The…

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 post and external calibrating screw. Meters are not protected against prolonged or significant overload. Stackable for storage.

Glass thermometer with red Toluene solution is mounted on a plastic backing card. Range is -40° to +50°C .

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.

This versatile tape measure is perfect for a wide variety of applications. The bright yellow steel tape retracts with a simple push of a button. It also features a high impact plastic case with a belt clip and loop handle. The tape is marked in both English and metric.

Glass prepared microscope slides, supplied in a plastic  case. A collection of slides specific to the study of protozoa and algae. Set of 20. 1.    Amoeba, E 2.    Mixed foraminifera 3.    Mixed radiolaria 4.    Euglena, E …

This clamp features plastic coverd spring jaws. Accepts burettes up to 35mm OD, and support rods up to 0.5" OD. Available as a single or double burette clamp.

Extra long spring (21cm when compressed) allows you to magnify your wave demonstrations to illustrate traveling waves and wave patterns. Included stand prevents tangling or damage to super spring during storage. Includes activity guide.

Discover the science of music with the tuning fork and striker set. The 256 Hz tuning fork is made of high-quality aluminum alloy and has been accurately calibrated. A rubber hammer striker for sounding the tuning fork is included. The resonance frequency is stamped on the tuning fork.