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Supplier: CORNELSEN EXPERIMENTA

For electrostatic experiments. Consists of insulated aluminum holder with pointed bearing, removable capacitor plate, metal ring with rod and 4 mm earthing contact.

Supplier: PHYWE

Equipment for quantitative demonstration of the electron's wave nature and particle properties. At high electron energy, interference can be observed and evaluated in the form of Debye-Scherrer rings. The Broglie equation and Bragg's conditions can be proved. At low electron energies, the paticle properties of the electron can be demonstrated in a manner similar to geometric optics.

Supplier: 3B Scientific

Evacuated glass flask containing i.a. electron gun with directly heated tungsten wire cathode and a cylindrical anode. The electron gun emits a divergent electron beam, aimed at an Maltese cross of aluminum placed in the middle of the tube. The cross can be connected electrically. At the same time, light from the filament is also directed towards the cross, so that a comparison can be made between the shadows of different types that appear on the luminescent surface at the far end of the tube. Specifications.

Supplier: 3B Scientific

Tuning fork that allows for plotting oscillations on a sheet of paper. The oscillation is triggered by pushing the prongs of the fork together. The oscillation of the tuning fork is highly visible both with the naked eye or with the aid of a stroboscope. Includes a plotter pen with holder and a counterweight.

Supplier: 3B Scientific

Over 30% of the world's population uses tobacco products, and 90% of that is from cigarettes. The physical effects of nicotine and the diseases it can cause, including cancer, are detailed on this anatomical poster. For such a wide spread practice education is important and this anatomy poster can help do that. This thickly laminated anatomical chart is printed on premium glossy (200 g) UV resistant paper and comes with two sided lamination (125 µm, 5,0 mil) and metal eyelets to make the chart easy to display.

Supplier: 3B Scientific

Equipment set inclusive of digital multimeter for measuring electrochemical potentials of various metals in experiments.

Supplier: CORNELSEN EXPERIMENTA

When charging, the screen unfolds. Equipped with 4 mm rod suitable for influence machine, belt generator and Faraday's cage.

Supplier: CORNELSEN EXPERIMENTA

Model of a hot air balloon. Made of heat-resistant plastic foil. Equipped with metal-reinforced opening.

Supplier: PHYWE

Effective and pedagogical experimental set. A number of phenomena in electrostatics can be illustrated. Very suitable for use with belt generator or influence machine. The kit is included.

Supplier: GR NNA PLASTEMBALLAGE AB

An alloy with an approximate composition of 48% by weight bismuth, 28% lead, 12% cadmium and 12% tin. The metal has an unusually low melting point (+65 ° C) and is used in the study of phase transformations, melting point determinations, etc.

Supplier: CORNELSEN EXPERIMENTA

For experiments with absorption of heat radiation. Consists of a black and a white E-flask and two thermometers (0 to 50 °C).

Supplier: PHYWE

Precision capacitor for electrostatic tests e.g. examination of the relationship between charge, voltage and capacitance. Measurement of the dielectric constant and the electrostatic induction constant. The permanently mounted plate is well insulated while the movable plate is mounted directly in the stand. The distance between the capacitor plates can be adjusted with an accuracy of 0.1 mm. Distance between plates 0 to 70 mm.

Supplier: CORNELSEN EXPERIMENTA

Metal frame with tension spring and membrane of Papyrolin. With the help of two tambourines and a pendulum ball, experiments with pressure waves can be performed.

Supplier: GR NNA PLASTEMBALLAGE AB

Very light ball of porous plastic. With thin nylon thread for hanging. Used for influence tests, for transferring charge, eg between capacitor plates etc.

Supplier: 3B Scientific

Highly evacuated electron tube with focusing electron gun and fluorescent screen (90×60 mm) inclined relative to the beam axis, so that the path of the beam can be seen and the effects of electric and magnetic fields can be studied. The electron beam can be deflected electrically in the electric field of the built-in plate capacitor, and magnetically by using an optional Helmholtz coil pair D. By adjusting the electric field so that it cancels the magnetic deflection, it is possible to determine the specific charge e/m and the velocity of the electrons.

Supplier: CORNELSEN EXPERIMENTA

Fresnel lens, Movable in three positions provides a parallel directed light that results in an entire half of the earth being illuminated and shadow lines (day and night) correspond to nature. Has never before been possible with previous constructions. Day, night and seasons. The entire globe is illuminated and shadow lines appear clearly.

Supplier: CORNELSEN EXPERIMENTA

Plastic rod with metal tube equipped with an axial and a radial 4 mm connection.

Supplier: CORNELSEN EXPERIMENTA

Skarvklämma med skruv. För tråd och plåt med max 1 mm tjocklek.

Supplier: CORNELSEN EXPERIMENTA

Apparatus for examining the conversion from electrical energy to light and heat energy. Consists of a plastic container, lid with light bulb (6 V / 5 A) in base and a resistor. The container is filled with water and the temperature change is measured. Equipped with connections for 4 mm banana plug.

Supplier: PHYWE

Quincke interference tube for determining wavelengths and frequencies by interfering with sound waves in air. Consists of two U-shaped metal tubes slidable into each other with a measuring scale. Inputs and outputs with knobs. Three brackets for mounting on a stand. Comes with listening hose.

Supplier: PHYWE

For electrostatic experiments, for example, determination of the charge of a sphere and induction experiments. Hollow surface-treated brass sphere equipped with 4 mm holes for connecting banana connectors.

Supplier: 3B Scientific

Photographic diffraction objects in slide frames.

Supplier: 3B Scientific

Large tuning fork for demonstration the vibrating legs of the fork.

Supplier: CORNELSEN EXPERIMENTA

The kit contains components for basic laboratory work with solar cells. The components are simply designed and the students quickly build their experimental setups. With the rate, e.g. the following are studied.

Supplier: CORNELSEN EXPERIMENTA

Bicycle dynamo with transparent housing. Consists of magnetic anchor and coil mounted on base with belt drive. Equipped with connections for 4 mm banana plug and light bulb 3.5 V/0.2 A.

Supplier: GR NNA PLASTEMBALLAGE AB

Semiconductor type nonlinear resistors with large negative temperature coefficient (NTC resistors). Used for studies of temperature dependence of resistances, such as temperature sensors, current limiters, etc. Of standardized disc type with connecting wires.

Supplier: GR NNA PLASTEMBALLAGE AB

Ribbons with elderflower balls suspended in thin threads. Placed around the head of a person who stands on an insulating surface and can be charged with the help of a belt generator. The balls stand out correctly. The belt can also be placed directly on the belt of the belt generator.

Supplier: CORNELSEN EXPERIMENTA

72 series-connected semiconductor elements, mounted between two ceramic plates which in turn are attached to heat-conducting metal. If the metals are exposed to different temperatures, a voltage arises, sufficient to drive, for example, a slightly rotating motor. The thermogenerator can also be run in the other direction, ie. a voltage is connected and a temperature difference is obtained across the metal legs.

Supplier: 3B Scientific

Highly evacuated electron tube for determining the wavelength of electrons as a function of the anode voltage from the radii of the diffraction rings and the distance between the lattice planes of graphite (Debye-Scherrer-diffraction) and rendered visible on a fluorescent screen. Also intended for determining the wavelengths of monochromatic radiation at different anode voltages from the radii of the diffraction rings and the lattice plane spacing of graphite, as well as confirming de Broglie’s hypothesis.

Supplier: PHYWE

Ice cream sphere filled with noble gas of low pressure. The tube's two cylindrical necks are protected by plastic sleeves and are designed to fit in Helmholtz coils 765-1207. The tube is used to show how an electron beam is deflected in a magnetic field. If the tube is in a homogeneous magnetic field with sufficient strength, the electron beam becomes circular. The tube is equipped with an internal measuring scale with fluorescent markings at distances of 4, 6, 8 and 10 cm (2r) from the cathode. The tube is well suited for determining the charge-mass ratio of the electron with great accuracy.