Methods of Construction/Bulb Shape
Click the category to see the exhibits available.
Acorn
Balloon
Classic
Thin Glass Tube
Thin Metal Tube
Wide Glass Tube
Wide Metal Tube
End Window
Side Window
Co-axial
Planar
Pinch
Catkin
Glass Disc
All Glass
Disc Seal (Glass)
Disc Seal (Ceramic)
Nuvistor
Silica
Any exhibit shown in
Italic
leads to an equivalent valve type.
Return to Valves Index