Frederiksen
Porous discs for voltaic pile 352200
Porous discs for voltaic pile 352200A model of the first galvanic battery
Potentiometer 100 Ohm on base
Potentiometer 100 Ohm on baseWire-wound power potentiometer (5 W). The potentiometer is mounted on a solid base with three 4 mm safety sockets. Excellent as variable load resistance, e.g. for smaller solar cells. Withstands up to 220 mA regardless of setting.
Power supply 15 V, 3 A DC
Power supply 15 V, 3 A DCCompact DC power supply with digital display for reading out voltage and current in two separate displays. Supplied with safety bushings.
Power supply, 12 V, AC/DC, 3 A, with display
Power supply, 12 V, AC/DC, 3 A, with displayThe power supply supplies a stabilized DC voltage which can be adjusted continuously between 0 and 12 V. The output voltage is shown on a digital display.
Practice gel for electrophoresis, soft plastic
Practice gel for electrophoresis, soft plasticUnit: Pair
Practical for practicing correct pipetting technique without unnecessary consumption of agarose gels.
Pressure of the liquid column
Pressure of the liquid columnThis liquid container can be used for experiments that aim to demonstrate the pressure difference in a column of liquid.
Pressure switch on plate
Pressure switch on platePressure switch (ring pressure). Closes contact as long as it is pressed.
Prism table on mount
Prism table on mountØ 62 mm disc mounted on Ø 10 mm stainless steel rod. Features an adjustable spring clamp for holding prisms from 10 mm to 50 mm tall.
Project pack of 25 cars
Project pack of 25 carsProvides essentially everything you need to build 25 cars.
Projection screen, white
Projection screen, whiteProjection screen made from matt white laminate. Equipped with Ø 10 mm support post.
Protective screen, 3 leaf
Protective screen, 3 leafFree-standing 3-leaf plexiglas screen, 880 x 600 x 4 mm, with two 440 mm hinged leaves.
Protein synthesis construction kit
Protein synthesis construction kitThe protein synthesis building set contains the following parts: 6 Uracil (U) 6 Adenine (A) 6 Guanine (G) 6 Cytosine (C) 12 Ribose 12 phosphate 4 amino acid parts 4 tRNA parts
Pulley for motor 472000
Pulley for motor 472000Pulley with Ø 2 mm centre hole. Fits the axle of motor 472000.
Pulley for motor 472005
Pulley for motor 472005Pulley with Ø 3.2 mm centre hole that fits the axle of motor 472005.
Pulley with clamp
Pulley with clampPlastic pulley, Ø 50 mm, fitted with a clamp, for mounting on standard Ø 10 mm support posts.
Pulley with plug
Pulley with plugThe pulley is used in acceleration experiments with the air track. The plug fits a hole in one of the ends of the air track. The mass distribution of the pulley is equivalent to an extra accelerated mass of 2.43 g. Included in 195003 Accessory set for air track.
Radiation holder with rod for plates
Radiation holder with rod for plates
