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The heating chamber can be employed to conduct the Franck-Hertz experiment or the sodium resonance fluorescence experiment in safety. It consists of a powder-coated sheet steel casing with two viewing windows. The front plate is attached ... more

Control unit for operating spectral lamps (1003537 – 1003546), including a lamp housing on a stand rod. A second lamp housing on a stand rod can be clamped to the rear side of the stable metal housing and connected to the electricity ... more

Spectral LampsFor generating line spectra of inert gases and metal vapours, with high luminance and spectral purity. Spectral lamps may only be operated in conjunction with choke 8476892 connected in series.Base: Pico 9, DIN 41539Operating ... more

The fluorescent sodium tube is designed to demonstrate resonance fluorescence in sodium. The highly evacuated, argon-filled glass tube, with multiple distilled sodium coating is mounted on a panel with a viewing window and is intended ... more