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Ideal for small group experiments in electrostatics
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For demonstrating the variation of electrical output of a dynamo with its rate of rotation and the way in which the electrical load connected to it affects the amount of work required to drive it
they can be placed on top of each other and thus closed to protect the contents from animals
Digital Colorimeter S-Range 240V (NBO) Ideal for small group experimentsRobust colorimeter featuring a stabilised power supply that maintains a constant light output from a 6V, 0. 15A tungsten lamp with infra red filter. There are two absorbance ranges and one transmission range. An automatic gain control provides automatic zeroing by simply pressing a switch and the instrument is insensitive to normal ambient lighting. The eight colour filters are held in a rotatable filter holder. The single cuvette holder takes 10mm