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Showing 931–945 of 1339 results
Quality filter that closes completely when placed 90 degrees above each other. (transmit below 0.005% with crossed filters).
As 327000, but sold as a pair mounted in 50 x 50 mm slides without glass. 1 pair.
Unmounted polarising filters for producing plane-polarised light.These quality filters block the light when positioned at 90 degrees to each other(transmitting only 0.005%).
The complete solution for verifying Malus’ Law of Polarization.
Adds a central platform and diffuser to polarizer demonstrator, show wavelength dependence of optical rotation.
Replacement polarizer disks for the Beginning Optics System (OS-8459).
The Polaroid analyser gives a convenient method for analysing polarisation of light and stress in suitable materials.
Set of 10 polyethylene tensile samples designed for use with the Materials Testing System.
Dimensions: 15 x 15 x 3 cm
A model of the first galvanic battery
A traditional wire potentiometer comprising 1m of 0.56mm diameter Constantan wire on a hardwood base. Connection is by 4mm sockets at either end with contact to the wire being made by a jockey at intermediate points.
Wire-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.
Compact DC power supply with digital display for reading out voltage and current in two separate displays. Supplied with safety bushings.
The 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.
Includes two slit wheels allowing students to examine various diffraction patterns.
