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Ball bearings made of hardened and polished steel. Can be used with a guide rail (e.g. item no.: 1002625) for experiments on elastic collisions. In combination with watch glasses to demonstrate various states of equilibrium. ... more

Pump for experiments in a coarse vacuum; equipped with an integrated non-return valve to prevent water rise; can be disassembled. more

Suitable for all standard applications. Low vapor pressure (<10-5 mbar) and low oil back diffusion. more

Used along with a catapult assembled from a fork and rubber band included in the air track set (1021090), the launch apparatus imparts uniform, reproducible launch momentum to a glider which is dependent on the tension in the rubber band ... more

Control unit which is used in conjunction with the electromagnetic launch apparatus to shut off the current. more

Brass body with a line. Height: 58 mm Diameter: 12 mm more

For experiments with fixed and movable pulleys. Non-deformable, low-friction pulleys with cord grooves and hooks at the ends of both axles for suspending from fixed supports or other pulleys. The enclosed design of the plastic frame prevents ... more

For experiments with fixed and movable pulleys. Non-deformable, low-friction pulleys with cord grooves and hooks at the ends of both axles for suspending from fixed supports or other pulleys. The enclosed design of the plastic frame prevents ... more

For experiments with fixed and movable pulleys. Non-deformable, low-friction pulleys with cord grooves and hooks at the ends of both axles for suspending from fixed supports or other pulleys. The enclosed design of the plastic frame prevents ... more

Pulley for altering the direction of forces. Plastic pulley with ball bearings and cord groove plus securing clamp. Also has a bore so that it can be attached to a retort stand of up to 12.5 mm diameter Pulley: 50 mm dia. Span of bracket ... more

For experiments with fixed and movable pulleys. Non-deformable, low-friction pulleys with cord grooves and hooks at the ends of both axles for suspending from fixed supports or other pulleys. The enclosed design of the plastic frame prevents ... more

For experiments with fixed and movable pulleys. Non-deformable, low-friction pulleys with cord grooves and hooks at the ends of both axles for suspending from fixed supports or other pulleys. The enclosed design of the plastic frame prevents ... more

Light source in metal housing on magnetic foil for experiments demonstrating ray optics on a whiteboard. Experiments on reflection, refraction, and basic lens laws can be performed using five narrow light rays emerging from the right-side. ... more

Light source for experiments demonstrating ray optics on a white board (item code: 1002591 oder 1002592). With an adjustable aperture for producing a concentrated or divergent light beam. Technical specifications: Lamp: 12 V, 35 W ... more

Magnet holder for mounting single-beam lamp (U40120) on a white board (U10030 or U10031). more

A Cavendish torsion balance demonstrates the force of gravity between two masses and allows the gravitational constant to be determined. Thanks to the short oscillation period of just 2–4 minutes, the gravitational constant can be determined ... more

While stocks last! Our Gliders are ruggedly designed for extensive student use. Before shipment, gliders are floated with an added mass equal to the glider mass to ensure they will float properly in your laboratory. Threaded grooves for ... more

A very light acrylic puck for demonstrating collisions between very unequal masses. A steel puck is scarcely deflected after a collision with the acrylic puck. more

A 7.5 cm diameter, 210 g aluminum puck for demonstrating collisions between unequal masses. The aluminum puck deflects a steel puck less than a steel puck but more than the acrylic puck. more

VinciLab 2 is a modern and advanced mobile graphic data logger, which can be used standalone, with Mac and Windows computers, mobile devices, wirelessly via Wi-Fi, or wired via USB. It is a handheld Android device equipped with two ... more

The Voltage sensor BT02 is a low-cost, generic sensor that measures voltage. This sensor has a direct connection to the inputs of a measurement interface. It has two 4-mm plugs for easy connection. Range: -10 ... +10 V. Resolution ... more

Protect your investment with our heavy duty protective cover for your torso models. Suitable for all full size torsos. Zippered with reinforced easy-carry handle.  Black. more

This model simulates an average full-term fetus. The human fetus made of soft and durable cloth. The body of the fetus model is flexible to show all presentations and positions possible during human birth. more

A great teaching tool, this model of the placenta, cord, amnion, and chorion is perfect for childbirth education courses. An educator essential, this model is perfect for use on its own or in combination with the Foetal Model for a ... more

for W43038 Made of flexible cloth, this pelvic model shows how the different pelvic shapes affect pregnancy, labor and birth. more