"Neon" sign A small sign made to spell out my initials
Farnsworth-Hirsch Fusor A rather inept attempt at making a fusor. Mostly just nice plasma pictures.
High-current feedthroughs Two high-current vacuum feedthroughs using PTFE bar as the insulator
Stainless-steel bellows Some sources of stainless-steel flexible bellows for vacuum use
Diffusion-pumped vacuum system A diff pump system intended for mirror coating
Simple HV feedthrough A basic high voltage feedthrough built from glass tube and stainless rod
Thermionic emission Demonstration of electron emission from a heated tungsten filament
Thin-film thermopile A copper-aluminium thermopile made by thermal evaporation
Capacitance manometer dissection The innards of a capacitance manometer
Panaplex display A seven-segment gas discharge "Panaplex" display in a jam jar.
Houskeeper seals Details on the technique of making glass-to-metal tubular joints, which rely on the plastic deformation of a feathered metal edge to achieve the seal. No fancy glass sealing alloy is required.
Reed switch wires as glass-metal seals Reed switches provide a source of alloy wire, suitable for sealing to soft glass
Second Panaplex display A miniature Panaplex display based on a commercial device
Vacuum filling manifold Gas manifold for a vacuum pump to allow devices to be evacuated and filled with gas.
Customised text discharge tube Glow-discharge tube with a cathode spelling out text
Page last updated: 13/08/2012, 10:53:14 PM BST
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