Description

allowing a sodium or filament lamp to be aimed precisely onto a spectrometer slit or refraction-cell setup

contrasting with the dark-state high-resistance reading

and 12 volts on this 2-amp battery eliminator power supply

Hand-operated dynamo built around a 6V motor on a base

110V Spectrum Tube Power Supply with Safety Door Pack Size_4 allowing a sodium or filamentInterlocked safety door cuts high voltage whenever opened, energizing spectrum tubes from a 110V source to excite hydrogen, helium, neon, and other gas discharge samples.

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110V Spectrum Tube Power Supply with Safety Door Pack Size_4 allowing a sodium or filament

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