It had a carbon filament of very small cross section, sealed in a glass bulb with a very high vacuum.
22.
In the experiment a sample of radium was enclosed in a thin-walled glass envelope sited within an evacuated glass bulb.
23.
Hand-painted glass bulbs designed to fit into standard lamps or strings of lights first appeared on the Christmas scene around 1900.
24.
Inside, police found five grams of enriched uranium-235 encased in a glass bulb stored in a lead container, Le Journal reported.
25.
Christmas roars into the Philippines with sacks of red ribbons and plastic fir trees festooned in frosted and sequined glass bulbs.
26.
:Capacitance allows high-frequency electricity ( alternating current ) to flow " through " insulators such as the glass bulb of the plasma lamp.
27.
Glass bulbs are produced, sheets of metal are cut, molten steel is poured, smokestacks are seen against the sky, and the first act ends.
28.
We didn't buy a tree, although I did decorate our front door with a wreath smelling of fresh pine and hung with red glass bulbs.
29.
Importantly, Shapin and Schaffer give a description of the " material technology, " the air-pump itself, essentially a suction pump attached to a replaceable glass bulb.
30.
The term is now used for gas discharge lamps, which produce light by an arc between metal electrodes through an inert gas in a glass bulb.