Electromagnetic bell with plastic base, for 3-6 V dc Complete with transparency cover to observe the way bell worked Terminal 4mm socket Dimension: (L) 16.00...
Device tool to make moving object becomes visible like a silent. Stroboscope consists of Plexiglas disc with adjustable frequency and mounted on aluminium box. Stroboscope...
Resonance tube gives the easy of experiment about sound. Loudspeaker which is connected to the audio generator produces stable wave pattern with changeable sound frequency....
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