The incandescenceof these pyramids, or bells, as they are vulgarly called, was proved by pieces of paper taking fire when I laid them on the summits.
We must not forget that the first appearance of incandescence begins with red heat whose temperature is not far from 500 deg.
Eight forms of electric lamps using infusible earthy oxides and brought to high incandescence in vacuo by high potential current of several thousand volts; same character as impingement of X-rays on object in bulb.
This horseshoe of carbonized paper seemed incapable to resist mechanical shocks and to maintain incandescence for any considerable length of time.
His originality of method was displayed at the very outset, for one of the first experiments was the bringing to incandescence of a strip of carbon in the open air to ascertain merely how much current was required.
Dismissing from his mind quickly the commercial impossibility of using arc lights for general indoor illumination, he arrived at the conclusion that an electric lamp giving light byincandescence was the solution of the problem.
This lamp, when put on the circuit, lighted up brightly to incandescence and maintained its integrity for over forty hours, and lo!
This time the carbon strip burned at incandescence for about eight minutes.
The lamp must be durable, capable of being easily and safely handled by the public, and one that would remain capable of burning at full incandescence and candle-power a great length of time.
Not only were the ordinary strip paper carbons tried again, but tissue-paper coated with tar and lampblack was rolled into thin sticks, like knitting-needles, carbonized and raised to incandescence in vacuo.
To the lay mind it would seem that this must have been THE obvious device to make in order to obtain electric light by incandescence of carbon or other material.
A glowing mass of coal and iron ore and limestone is here urged to vivid incandescence by a blast of air itself heated to an intense temperature.
In mid-air it became a ball of savage whiteincandescence that grew larger and fiercer as it flew.
It turned abruptly to white-hot incandescence as the falling enormity touched atmosphere, and crashed down upon them.
Ignition is accomplished by means of a metal tube heated to incandescence by a Bunsen burner.
The Cowles process heats to incandescence by the electric current a mixture of alumina, carbon and copper, the reduced aluminum alloying with the copper.
This mantle is suspended above the flame arising from a proper admixture of air and gas, and is heated thereby to a brilliant incandescence which furnishes the light.
Again, a similar effect might be produced by a dark body, or a star too faint to be seen, being heated to incandescence by plunging in its course through a nebulous mass of matter, of which there are many examples lying about in space.
This value of theincandescence lamp I can use as an ordinate to a curve, the scale number which marks the position of the color in the spectrum being the abscissa.
Now I may cast another shadow from a candle or an incandescence lamp, and the two shadows are illuminated, one by the light of the colored patch and the other by the light from an incandescence lamp which I am using tonight.
The usual method is to heat some material to incandescence by passing an electric current through it.
The filament is heated to incandescence by the current passing through it.
It was over in less than half an hour, and a broken, misshapen mass of blue incandescence floated in space.
The sheer energy of the ray itself, molecular ray though it was, heated the material it struck to blinding incandescence even as it hurled it at a velocity close to that of light into outer space.
The outer wall was blazing in incandescence in a moment, and the heavy relux screens seemed to leap into place over the windows as the blasting heat, radiated from the incandescent walls flooded in.
Scarcely visible, the air about him blazed with bluish incandescence of ionization.
This was in itself nothing extraordinary, and indicated only the activity of those within, but while I looked an irregular patch of incandescence suddenly splashed the cliff opposite.
Wires of platinum, iridium, and other inoxidisable metals raised to incandescence by the current are useful in firing mines, but they are not quite suitable for yielding a light, because at a very high temperature they begin to melt.
Explosives, such as gunpowder and guncotton, are also ignited by the electric spark from an induction coil or the incandescence of a wire.
Now this material, when water is added to it, decomposes, and acetylene or C2H2 is formed, which is a gas of high illuminating value as the carbon separates and glows brightly after being heated to incandescence in the flame.
It was subsequently found that a hard skin could be given to the filament by "flashing" it--that is to say, heating it to incandescence by the current in an atmosphere of hydrocarbon gas.
It was shown subsequently by Dulong and Thenard that even a platinum wire, when perfectly cleansed, may be raised to incandescence by its action on a jet of cold hydrogen.
The light produced by the incandescence of lime in detonating gas is called the Drummond light or limelight.
Small wonder that the meteor is brought to lively incandescence and consumed even in a fraction of a second.
Nor was the pirate unarmed--a vicious flare of incandescence leaped from his Lewiston, to spend its force in spitting, crackling pyrotechnics against the ether-wall of the squat and monstrous Standish.
His most desperate efforts resulted only in more frenzied displays of incandescence along the curved surface of contact of that penetrant cylinder.
But it was at best a trying task and, when it came to posing for the close-up with a wall of blinding incandescence only a few feet from her eyes, a true ordeal.
Neither knew they any rest by night, when belated souls would see the great roofs of glass livid with the incandescence of Cooper-Hewitt tubes, burning like vast green opals against the dense blue-black of early morning skies.
The bottom of the piston is particularly likely to retain grease which has become caked, and which is likely to become heated to incandescence and spontaneously to ignite the explosive mixture.
The amber glass dispelled this trouble perfectly, enabling the eye to search carefully every nook and crevice through the vague incandescence which blinds the observer in hazy weather.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "incandescence" in a variety of sentences. We hope that you will now be able to make sentences using this word.
