Frederiksen
Atherosclerosis, Arteriosclerosis (model)
Atherosclerosis, Arteriosclerosis (model)The model shows the changes that occur in the blood vessels in connection with atherosclerosis. An arterial branch is opened, so that in the form of a longitudinal section you can see 4 different stages of atherosclerosis from a light coating to an almost completely blocked blood vessel. In addition, 2 cross-sections show a mild and a very severe atherosclerosis.
Auxiliary Lens 0.5x, NeoZoom
Auxiliary Lens 0.5x, NeoZoomUnit: Pcs
Auxiliary Lens 2x, NeoZoom
Auxiliary Lens 2x, NeoZoomUnit: Pcs
Ball track with loop
Ball track with loop
Ball with eye, steel, Ø 20 mm
Ball with eye, steel, Ø 20 mmSuited for use as a pendulum bob. Made of polished, hardened steel with an aluminium eyelet.
Bar magnets, moulded in plastic
Bar magnets, moulded in plasticSet of two. Dimensions: 80 x 22 x 10 mm
Bar magnets, small cylindrical
Bar magnets, small cylindricalSet of two plain alnico bar magnets.
Battery box for microphones
Battery box for microphonesThe battery box functions as a voltage supply for microphones and various sensors when used with equipment that does not provide a voltage for this purpose. Typical examples are connection of a microphone (248600 or 251570) to an oscilloscope or an AC voltmeter.
Beta spectrum apparatus
Beta spectrum apparatusFor the familiar set-up using a variable magnetic field. Beta-source holder with a circular groove for the radiation and a notch for the Hall effect probe.
Block for 6 lenses
Block for 6 lensesBlack block with holes for six lenses or apertures on rods.
Blood – Prepared Slides, 15 preparations
Blood – Prepared Slides, 15 preparations
Blood Circulation – Poster
Blood Circulation – PosterBeautiful and colorful poster with practical lamination. English text.
Blood Circulation, relief model
Blood Circulation, relief modelRelief model in 1/2 natural size. Provides a schematic representation of the blood vessel system with arteries and veins and the blood supply to the various organs. The heart is seen opened. The skeleton and the blood supply to the individual joints are shown.
Blue filter, 32 mm
Blue filter, 32 mmUnit: Pcs
Boyle-Mariotte apparatus
Boyle-Mariotte apparatusFor demonstrating the relationship between volume and pressure at constant temperature. The apparatus consists of a graduated cylinder with a piston. The cylinder is connected to a manometer by a narrow channel, to allow the pressure to be read. The cylinder is fitted with a screw valve.
Bracket for 199560, Ball launcher
Bracket for 199560, Ball launcherCan be fitted to the launcher(199560) with a thumbscrew to take photocells (from Pasco, Vernier and Fourier) 10 cm apart.
