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Introduction Overview, Paschen's Law, types of tube, operating characteristics. |
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Spectroscopy Using a UV-Visible-IR spectrometer to examine the light from gas discharge tubes |
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Inductor resonance and self-resonance experiments Using low-pressure gas ionisation for visualisation of the RF field patterns |
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The Art of Discharge Tube Making, by Peter Jameson |
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Power Supplies for +ve column light sources. |
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Evacuatable Discharge Tubes (Pohl tube, etc.). |
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Glow start Hg vapour lamps |
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Glow switches(bimetallic starter and bypass tubes) + some notes on electronic FL starters. |
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'Cold cathode' sign tubes ('neon' signs). |
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Siemens Sieray Hg lamp Soviet SVD-120 Hg tube |
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Hanovia Home Sun ![]() |
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Sodium Lamps: LP-Na SOX and HP-Na SON |
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Xenon-arc flash tubes & quench tubes . |
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Spectrum tubes |
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Gas-filled glow lamps (cathode-glow lamps) |
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Nixie & other numerical & symbol indicator tubes (general). |
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Counting tubes - bulk gas discharge using RF excitation. |
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XL601 hollow cathode glow modulator | Hollow cathode AAS sources |
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Unstable cathode-glow & the flickering flame-effect neon |
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Neon Strobotrons, NSP1, NSP2 = CV2296 |
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Cold cathode Thyratrons, XC11 = CV2257 , G240/2D = CV2174. |
Raytheon RX232 trigger tube | |
Triggered spark gap | |
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24B9 Trigatron |
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Radar T/R cells |
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Lightning Arrester 4378 |
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Safelink lightning protector. |
Bargraph tubes. Russian IN13. | |
Geiger Müller tubes | |
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Ionising the gas in filament lamps, barretters, and other sealed glass bulbs . |
Luminous Quartz Resonators. |
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![]() ![]() ![]() ![]() ![]() ![]() ![]() The use of negative resistance to create oscillations. ![]() (thanks to Peter Jameson for this link). |