Many of the figures are distorted, and all of them have a smutty look, as if they had been rubbed with lampblack or coal-dust.
He found a lesson in composition in the fact that the diamond and lampblack are the same substance differently arranged.
The process of forming lampblack is conducted in lampblack houses.
In the county of Sarrbrook on the Rhine, are some establishments for making coke and lampblack at the same time; and from 100 lbs.
By a proper treatment, lampblack like charcoal may be converted into artificial tannin by nitric acid.
The lampblack made in Philadelphia, for the purpose of printers' ink, is prepared by the combustion of tar.
The composition of spur fire being saltpetre, lampblack, and sulphur, in the proportions we shall give hereafter, is similar in fact to that of gunpowder; for the lampblack acts in the same manner as common charcoal.
Lampblack has the same chemical properties as charcoal, and being remarkably fine, and containing sometimes a portion of oil, is used on that account in the composition of some fire-works.
After the combustion has ceased, the soot or lampblackis swept down, as it collects above and on the sides of the room.
Sometimes a little realgar is added to the sulphuret of antimony, and frequently, when the fire burns dim and badly, a very small quantity of very finely powdered charcoal or lampblack will make it perfect.
Care ought to be taken that all the ingredients are of the best quality, that the lampblack is neither damp nor clodded, that the saltpetre is the best refined, and the sulphur perfectly pure.
The quality of lampblack may, we suspect, be improved by bringing it to a state of ignition in close iron vessels.
In a well-regulated flame it is afterward burned up, but when the supply of oxygen is insufficient it escapes from the flame as lampblack or soot.
Retort carbon and coke are used to make electric light carbons and battery plates, while lampblack is used for indelible inks, printer's ink, and black varnishes.
Lampblack and soot are products of imperfect combustion of oil and coal, and are deposited from a smoky flame on a cold surface.
Are lampblack and bone black allotropic forms of carbon?
If red is desired, use rouge; if black is preferred, use lampblack or powdered graphite.
The interior of this case and all the parts should be given a coat of lampblack mixed with a little vinegar.
All the joints in the box must be carefully puttied and the inside of the box blackened, which is done with a mixture of lampblack and alcohol, to which is added a small quantity of shellac to give it body.
A quantity of glue is melted and then lampblack is added.
It can readily be seen that the use of lampblack soil encourages poor workmanship, while the use of paste forces, to a certain extent, good workmanship on the part of the mechanic.
As he spoke, he rubbed his hands over the Captain's face, leaving enough of the lampblack to make him look ridiculous.
But, remembering that his face was smeared with daubs of lampblack and that his coat was minus one of its tails, the reader will perhaps appreciate the cause of the merriment.
It is true that lampblack (carbon) as made into ink, resists any chemical or chemicals, but simple water applied on a soft sponge will soon remove such ink marks.
Specimens of "pomegranate" ink, to which lampblack and other pigments had been added of varying degrees of blackness, on MSS.
Lampblack was first made by the burning of oil, tar or rosin, which was then commingled with gum and honey and pressed into small wafers or cakes, to which water could be added when wanted for use.
Their lasting color phenomena, due to the employment of lampblack and kindred substances even after a lapse of so many ages, is at this late day of no particular moment as they but prove the virtues of the different types of "Indian" inks.
This is placed in a second larger crucible of refractory clay, and the intervening space filled with lampblack tightly packed.
If, in the preceding experiment, the lampblack be replaced by a mixture of lampblack and rutile in fine powder, the slip of platinum remains absolutely intact, and does not change in weight.
No change is perceptible to the eye, but the keen vision of experiment soon detects the fact that the perfectly transparent and highly attenuated ammonia resembles pitch or lampblack in its behavior to the rays of heat.
Colson have produced the same phenomenon by heating to white heat a slip of platinum in the center of a thick layer of lampblack free from silica.
Carry the outlet of your lampblack chamber to one side and into the top of a vertical shaft, where place a rose jet of water.
Hearths to be of Portland cement, with lampblack to give color.
The lampblack will kill any glare from the lights and they may not see us.
In these seven letters, outspread upon the board, was Lampblack crucified!
But Lampblack could not die; he could only lie in his tin tube and pine, like a silly, sorrowful thing as he was, in company with some broken bits of charcoal and a rusty palette knife.
But Lampblack was always passed over as dull and coarse, which indeed he was, and knew himself to be so, poor fellow, which made it all the worse.
Lampblack listened, and even in his misery was touched and soothed by the tender liquid sounds that these little throats poured out among the light yellow bloom of the Banksia flowers.
You will do for this work," said the master, and let Lampblack out of his metal prison house into the light and touched him with the brush that was the wand of magic.
Only the heart of poor dusty Lampblack could not beat a throb the more, because he was always left alone and never was thought worthy even of a glance.
The master took him up, "You will do for this work," he said; and Lampblack was borne trembling to an easel.
It now occurred to him, that perhaps it was the turpentine used in dissolving the gum, or the lampblack employed to color it, that spoiled his product.
By dissolving a pound of India rubber in three quarts of spirits of turpentine, and adding lampblack enough to give it the desired color, he produced a composition which he supposed would perfectly answer the purpose.
Not thinking what he was doing, he rolled this mixture of tar and lampblack into a thread.
He sat one night thinking about the problem, unconsciously fingering a bit of lampblack mixed with tar which he had used in his telephone.
One of the most remarkable things which appears on the fence to-day is the perfect condition of these lampblack letters over their priming coat of calcium carbonate, standing out in clear relief against the rusted metal.
The hiding power of each paint was determined, as before described, by observing the degree to which the stencilled lampblack cross on the priming coat was visible through the second and third coats.
Excessive oil carrying, however, should be avoided, as shown by the early failure and pitting of those carbon black and lampblack paints ground with very large quantities of oil, as is the usual practice.
When the priming coat had thoroughly dried on each panel, the painter carefully stencilled a black Geneva cross over the priming coat with lampblack in oil.
Lampblack produces a very red colour with gunpowder, and a pink one with nitre in excess; it serves for making golden showers.
To the composition for others a little lampblack is added, to increase and vary the degree of blackness.
A digestive experiment is usually conducted for a period of about one week, the man or animal being given a spoonful of lampblack at the beginning and at the close of the experiment.
The lampblack being a finely powdered form of pure carbon, is insoluble in the digestive juices, hence passes through the body without change, thus blackening or marking the feces at the beginning and at the end of the test period.
If the drawing has been made with the chemical transfer ink, blackened with lampblackor colored with vermilion according to need, it will transfer itself to the stone.
Lampblack is not the only substance available for giving color to the ink.
Fine lampblackor vermilion is stirred in till the mass is thoroughly united.
But in both cases the finer parts of the work are easily rubbed away, and too much lampblack makes the lines squash the impression.
While shading is obviated largely through enough intermixture of lampblack or other coloring substances to take away the fluidity of the printing-color, this intermixture will cause other troubles.
The lampblack used for crayons must be burned out first, else it will develop blisters, which is the case also if the composition is poured on the plates too hot.
If only tiny places are faulty, they need merely be coated with a mixture of weak phosphoric acid, gum, and lampblack or red chalk.
It is not necessary to be painfully minute about the proportions of the various materials, providing the proportions of soap and lampblack be correct.
This color consists of a thin varnish in which a portion of litharge of silver or mennig or white lead has been dissolved thoroughly over the fire, and a proper amount of lampblack added.
Then the lampblack is added and the rest of the process is as before.
The roasted or burned-out is best in this also, because the ordinary lampblack delays the drying and turns yellow with time.
The varnish can be mixed not only with lampblack but with many other colors, which will be described when I reach color printing in this essay.
Therefore I tried a mixture in water of linseed oil, soap, and lampblackwhich met my demands better.
Grind the lampblack in oil; mix it with the oil, then grind the litharge in oil and add it, stirring it well into the mixture.
The lampblack and litharge are ground separately upon the stone, in oil, then stirred into the white-lead and oil; the turpentine and varnish are added as the paint is required for use, or when it is packed in kegs for transportation.
Make a thick paste with the ochre and oil in a paint-pot, and with the lampblack and oil in another.
For "antique" finish on oak or chestnut, dissolve lampblack in turpentine, mix with filler and proceed with polishing as explained.
To produce this effect, lampblack dissolved in turpentine was added to the filler, and after drying was polished to a dead flat finish.
Pure lampblackmade up with asses'-skin glue, and scented with musk.
The diamond is pure carbon, and differs from the carbon of charcoal and lampblack simply in being limpid, colourless, and highly refractive of light, properties which are generally referred to its crystalline form.
Lampblack (previously heated to dull redness in a covered vessel), 1/4 oz.
A little charcoal or lampblack makes it burn quicker.
Dissolve real Indian ink in common black ink, or add a small quantity of lampblack previously heated to redness, and ground perfectly smooth, with a small portion of the ink.
From dried gypsum, 25 parts; lampblack or finely powdered charcoal, 4 parts; calcined together at a strong heat in a covered crucible.
Lampblack ground in a lye of caustic soda, combined with a mixture of gelatin and caustic soda.
Boiled linseed oil, ground with lampblack and Prussian blue, of each q.
For example, the early filament made of a mixture of lampblack and tar is merely a suggestion in the notes, but its making afforded an example of Edison's pertinacity.
On the outskirts of the property was a small building in which lampblack was crudely but carefully manufactured and pressed into very small cakes, for use in the Edison carbon transmitters of that 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.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "lampblack" in a variety of sentences. We hope that you will now be able to make sentences using this word. Other words: black; charcoal; color; pigment; soot
