1
Some gas you can't breathe, it keeps the tungsten filament from burning.
2
Instead of bursting into flame, the tungsten filament evaporates, atom by atom.
3
Light bulb manufacturers put xenon gas inside incandescent bulbs to make the tungsten filament last longer.
4
The Matchmaker says it's the tungsten filament.
5
Even now the argon in the bulb is minimising energy evaporation from the gorgeous glow of tungsten filament.
6
The tungsten filament in the most efficient lamps employing it is operating near its melting-point at the present time.
7
Only Tom's was provided with a tungsten filament, which gave a glaring white pencil of light, increased by reflectors.
8
He carried, as Tom could see, a large-sized electric flash-lamp, with a brilliant tungsten filament, which gave a powerful light.
9
The Westinghouse Electric Corporation people worked for two years to develop such a bulb, and finally designed a special kind of tungsten filament.
10
Five hundred and fifty projectors containing tungsten filament lamps were distributed about the base of the tower and among some of the architectural details.
11
One of the most recent developments has been a special tungsten filament in a gas-filled bulb placed at the focus of a small parabolic mirror.
12
The earlier tungsten filaments were made by three rival processes.
13
Tom had a special kind of lamp, with tungsten filaments, which gave a very powerful light, and with batteries designed to last a long time.