Frederiksen
Eye model, 6 parts, 3x enlarged
Eye model, 6 parts, 3x enlarged
Eyepiece 10x WF model 30/40
Eyepiece 10x WF model 30/40
Eyepiece 10x, WF18 mm
Eyepiece 10x, WF18 mmUnit: Pcs
Eyepiece 20x
Eyepiece 20xEyepiece 20x, model 60/NeoZoom
Unit: Pcs
Eyepiece 20x
Eyepiece 20xEyepiece, 20x, WF, model 30/40
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 cage
Faradays cage
Faradays cageFaraday’s cage is used to demonstrate that electric charge resides on the outside of a conducting body. When the cage is placed in an electric field, it protects objects inside from being affected – a clear demonstration of the principle of electrical shielding.
Fetal development model, 9 stages
Fetal development model, 9 stages
Finger pulse oximeter
Finger pulse oximeterThe fingertip pulse oximeter is a small electronic measuring device that uses an infrared sensor to measure blood oxygen saturation (SpO₂), pulse rate and respiratory rate.
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.
Folding magnifier, small
Folding magnifier, smallNice little botanist’s magnifying glass in a solid metal housing. 10x magnification and lens diameter of 18 mm. However, the visible (active) part of the lens is 15 mm in diam. Supplied in a practical small plastic box.
