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Used to light-a characteristic color for Hydrogen gas
A disc-type commutator is incorporated and external connection to the phosphor-bronze brushes is by means of a pair of 4mm sockets
ABS case included
Substrate specificity of invertase
Input Voltage: 220V
Horseshoe Electromagnetic Used to light-a characteristic colorLarge Electromagnet, Dissectible, Deluxe. Designed to demonstrate the basic operation of simple electromagnets. Comprises of two coils, U shape iron core and an armature. On outmost layer of the coils are several turns of plastic coated wires, indicating the winding direction of the coil. Each of the coils has two terminals which can be connected in series or in parallel. When used on 4 6 volt, 1 Amps in parallel the armature can bear a load of more
