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Can be used to measure the static pH values of common liquids (water
Large 10mm diameter makes this pencil ideal for learning to write
these can be used across art
the Rosette Series is here to take your playing to the next level
dip dyeing
Demonstration Electric Motor (Each) 274372 Can be used to measureIncludes: (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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