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For quick examination of spectral composition of white light
Ideal for ages 4 to 8 years
Ideal for locating positions on a map or in the field
Reticular Dimensions: Dia
Blower Speed is Adjustable
Horseshoe Electromagnetic Safety Gloves For quick examination of spectralLarge 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
