Frederiksen
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.
Faradays cage
Faradays cageFetal development model, 9 stages
Fetal development model, 9 stagesFine mesh, nickel, 7 x 100 cm
Fine mesh, nickel, 7 x 100 cmUsed for making fuel cells. There is an excellent laboratory manual for making fuel cells on our website at www.frederiksen.eu.Supplied as a roll.
Flag with plug 100 mm
Flag with plug 100 mmUsed as a flag for photogates in time measurements on the air track.
Flag with plug, 25 mm
Flag with plug, 25 mmUsed as a flag for photogates in time measurements on the air track.
Floating globe
Floating globeThe globe is suspended from an electromagnet. This makes the friction very low and the earth will rotate at a constant speed for many hours after being spun around.
Diameter: 20 cm
AC adapter included.
Fluorescent plate, 70×95 mm
Fluorescent plate, 70×95 mmPlate that fluoresces when illuminated by UV light.Can be used to demonstrate fluorescent chemicals and which materials block UV light.
Flywheel
FlywheelFor demonstrating energy storage.Steel flywheel Ø 60 mm, with Ø 12 mm hole for mounting on motor/generator 202500.
Free-fall apparatus
Free-fall apparatusPrecise and straightforward device for measuring free fall.The apparatus connects to 200250 Electronic counter or 200260 Electronic stopwatch via standard safety cables.
Friction block, area
Friction block, areaBlock with a hook for demonstrating the relationship between friction and different surfaces.Two versions available.Area: Two different surface contact areas.
Friction block, roughness
Friction block, roughnessRoughness: Four different surface materials: rubber, felt, sandpaper and wood.
Fuel cell set, Dr FuelCell
Fuel cell set, Dr FuelCellComplete energy kit containing various sources for the production of green energy.
The set includes a combustion cell, a solar cell for power supply for the electrolysis apparatus, and a measuring instrument for measuring the total amount of energy. In addition, data can be transferred to a PC for further analysis. Software is included on CD or as a download on Horison’s website. A guide with experimental examples is also included.