Frederiksen
Earth/Moon model
Earth/Moon modelFor demonstrating the phases of the moon and solar and lunar eclipses.
The large ball represents Earth and the small one the Moon. An overhead projector or the sun can be used as a light source.
Electric launcher
Electric launcherElectric whirl
Electric whirlThe whirl is placed on top of the Van de Graaff generator’s dome.It is placed on the supplied needle.
Electro U magnet, 10 cm
Electro U magnet, 10 cmFor demonstration of electromagnetism.
This electromagnetic coil becomes magnetic when a voltage of 4 – 6 V DC is applied, and an elongated square iron plate is included, which can be used to demonstrate when the coil is magnetic.
Electrode holder for round electrodes
Electrode holder for round electrodesHolder for electrodes up to Ø 7.5 mm.
Electrode holder, double, f. round elec
Electrode holder, double, f. round elecHolder for electrodes up to Ø 7.5 mm.
Electrometer
ElectrometerThis instrument measures very small current and charge, and enables a range of fascinating experiments to be performed.
Energy ball
Energy ballExtra holder for GM tube, extra sensitiv
Extra holder for GM tube, extra sensitivCompatible with 512525 and 513565.
Eye Cups, stereomicroscopes
Eye Cups, stereomicroscopesUnit: Pair
Eye model, 6 parts, 3x enlarged
Eye model, 6 parts, 3x enlargedEyepiece 10x WF model 30/40
Eyepiece 10x WF model 30/40Eyepiece 10x, WF18 mm
Eyepiece 10x, WF18 mmUnit: Pcs
Eyepiece 20x
Eyepiece 20xEyepiece 20x, model 60/NeoZoomUnit: Pcs
Eyepiece 20x
Eyepiece 20xUnit: Pcs
Eyepiece adapter for PrimoX
Eyepiece adapter for PrimoXUnit: Pcs
Falling bodies apparatus
Falling bodies apparatusBall shooter for illustrating the principle of independent horizontal and vertical motion: The throwing motion can be seen as composed of free-fall and horizontal motion.The shooter fires one ball horizontally and the other is released in free-fall.
Faraday’s ice pail
Faraday’s ice pailUsed with electrometer 441030 or electroscope 441000 for demonstrating electrostatic induction.