you have to go a long way these days to find something that still uses a tungsten filament. Strangely enough, this lamp-stabilized LM386 Wien bridge oscillator is one place where an incandescent ...

Instead of the light being emitted by an incandescent spiralised filament of tungsten, it is given out by an actual arc between tungsten electrodes.

Professor Fink, 51, claims to be the “originator of the drawn tungsten filament” for lamps.* Another scientist given the kudos is General Electric’s Dr. William David Coolidge, 59.

Dennis Kunkle spotted an interesting light bulb glowing dimly in the basement of the Fire Museum of York County on West Market Street ... filaments. Carbon filaments were replaced with tungsten ...