Physics of the electron
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555571
Fine beam tube
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555581 8
Helmholtz coils with holder and measuring device for fine beam tube
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554161
Discharge tube, canal rays
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555620 8
Maltese cross tube
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555622 8
Perrin tube
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555624
Electron deflection tube
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555626 8
Electron diffraction tube
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555618
Luminescence tube
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555600 8
Tube stand
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555051 8
Adapter for LD demo tubes
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