Deuterium gas discharge tube
Deuterium gas discharge tube
Deuterium gas discharge tube
Fluorescent lamp with protected cathode to reduce end darkening
Gas discharge tube
Gas discharge tube
Gas discharge tube providing improved flow line of electrons
Gas discharge tube with discharge shielding member
Gas-filled arc discharge lamp and a method of making thereof
High-pressure discharge lamp with shielded electrode
Lamp with anode support structure and anode surface...
Low pressure mercury vapor discharge lamp with ceramic...
Low pressure mercury-vapor discharge lamp with electrode...
Low-pressure mercury vapor discharge lamp
Low-pressure mercury vapor discharge lamp
Low-pressure mercury vapor discharge lamp with electrode shield
Low-pressure mercury vapor discharge lamp with electrode shield
Mica heat shield for high intensity discharge lamp