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dip dyeing
it can be enjoyed by anyone
Can be used to measure the static pH values of common liquids (water
Large 10mm diameter makes this pencil ideal for learning to write
Four cable clips included
Demonstration Electric Motor (Each) 274372 dip dyeingIncludes: (1) Motor A model of the simplest form of DC electric motor having 2 pole armature wound with enamaled copper wire and a permanent magnetic field provided by a removable bar magnet. A disc type commutator is incorporated and external connection to the phosphor bronze bushes is by means of a pair of 4 mm sockets. Operates on 6 8V DC.
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