Soft steatite forms excellent stoppers for the chemical apparatus used in distilling or subliming corrosive vapours.
The iron stoppers being taken out of the mouths of the pipes, the sulphur is allowed to run along an iron spout placed over red-hot charcoal, into the appropriate wooden moulds.
For this discharge, the two bricks which serve as stoppers to that orifice, must be unluted and removed.
Should a body of glass, however, at any time obstruct the grate, it must be removed with rakes, by opening the tunnel and dismounting the fire-tile stoppers of the glaye.
They may be ranged successively in tens; the stoppers of the same series being placed on a support in their proper order.
One ball thus makes two stoppersat a cost of about 5 cents.
Taylor), and few stoppers are close enough to retain it.
Hence care should be taken to shut up the suspected matters at once in glass bottles accurately stoppered; bad stoppers are worse than corks.
The neck and mouth of all such bottles should be kept scrupulously clean, and care taken that no confusion of stoppers occurs.
The stoppers of reagent bottles should never be laid upon the desk, unless upon a clean watch-glass or paper.
There are similar stoppers in private collections.
The chests were usually well fitted with bottles and phials, and with glass stoppers or silver or pewter tops.
The oil in the warmth of the sun--for the tins were regularly set in an accessible place on the top of the cairns--tended to become vapour and to escape through the stoppers without damage to the tins.
This process was much hastened owing to the leather washers about the stoppers having perished in the great cold.
Hands were stationed at the stoppers of the second, ready to let it go should the first fail.
In an instant the stoppers were cut, and the cable ran at a rapid rate, setting the hawse hole on fire.
If this be done before the heat be applied, it frequently penetrates by increased facility; by oil, heat, and tapping very obstinate stoppers may be removed.
Its property of not being acted upon by acids or alkalies renders it suitable for stoppers for vessels holding chemical liquids; also for electrotype moulds.
To me it greatly resembled the round glassstoppers used for the humbler sort of decanters; but I thought the same of the Koh-i-Nur.
By this means, ground glass stoppers and plentiful cotton stuffing, the most volatile essences may be carried about without great waste.
Living flies in cages and individual specimens in small wide-mouth vials with cotton stoppers for the admission of air.
Individual specimens in cages, jars, or wide-mouth vials with cotton stoppers to admit air.
On closing it the stoppers should be turned, and the condensed air would exert itself in the box and produce its rapid movement.
Between thestoppers should be a door for putting in the box of letters.
In a third series the corkstoppers used in the first and second series were abandoned, and glass stoppers employed.
Its application to this use, however, seems not to have been very common, else cork-stoppers would have been oftener mentioned by the authors who have written on agriculture and cookery, and also in the works of the ancient poets.
Before that period they used stoppers of wax, which were not only much more expensive, but also far more troublesome.
Stephanus wrote his Prædium Rusticum, cork stoppers must have been very little known, else he would not have said that in his time cork in France was used principally for soles (p.
The most extensive and principal use of cork at present, is for stoppers to bottles.
The quantity of stoppers now manufactured by the Patent Caoutchouc Company is perfectly astonishing.
In the shops of the apothecaries in Germany, cork stoppers began first to be used about the end of the seventeenth century.
ALL (as they draw the stoppers and the wine chosen by each runs into his glass) Oh beauteous spring, which flows so far!
Marx also prefers to use cork stoppers rather than the rubber stoppers recommended for other alcoholic material.
The use of rubber stoppers in this country was first instituted by Dr.
If stoppers are stored for a considerable time and exposed to the air they become very hard and unfit for use, and Dr.
If cork stoppers have been used the vials may be stored in large quantities together in jars filled with alcohol.
He says that to keep rubber stoppers or rubber apparatus of any sort elastic, they should be stored in large glass jars in which an open vessel containing petroleum is placed.
To soften stoppers which have already become hardened, they should be brought together in a jar with sulphuret of carbon until they are pliable and afterward kept as recommended above.
The stoppers in use are of rubber, which, when tightly put into the vial, the air being nearly all expelled, keep the contents of the vial intact and safe for years.
American rubber stoppers are all made of vulcanized India rubber and have the disadvantage of forming small crystals of sulphur about the stopper, which become loosened and attach themselves to the specimens.
With cork stoppers evaporation can be in a measure prevented if the cork is first anointed with the petroleum preparation known as vaseline.
To prevent this waste, the stoppers should fit accurately, and the bottles should be placed in as cool a situation as possible.
Ether rapidly evaporates at common temperatures when kept in corked bottles, and even in bottles secured with ground-glass stoppers and tightly tied over with bladder and leather; it also becomes sour by age.
Illustration] We have now applied the same principle to stoppers for bottles, or any other vessels, so that a common beer or sodawater bottle can be instantly converted into a syphon filter, as shown in the annexed illustration.
Tobacco-stoppers were often made of wood from some relic like a celebrated tree or mansion which gave additional value by its historic associations.
Of all the articles of the smokers' paraphernalia none however exhibit more fanciful designs than Tobacco-stoppers used by smokers for crowding the tobacco into the pipe while smoking.
Pipes and tobacco-stoppers have often been favorite testimonials of friendship and reward.
It is less astringent than oak bark, and is more generally useful for stoppers of bottles and bungs for casks.
The stoppers require to be at least half an inch long where they fit the necks, and must be really well ground in.
The stoppers are rotated on a lathe at quite a slow speed, say 30 or 40 feet per minute, and the necks are held against them, as described in the section dealing with this art.
Unless the stoppers fit exceedingly well trouble will arise from the mercury (which is poured into the thistle heads to form a seal) being forced downwards into the pump by atmospheric pressure.
The stoppers are ground in on the lathe before the tubes are attached to the fall tubes.
The stoppers must first be turned up nicely and the necks ground out by a copper or iron cone and emery.
James II was chosen as the model of many; and stoppers with his bust as the handle were, it is said, treasured by Jacobean admirers.
Of these curious and interesting stoppers there are many varieties.
Tobacco-stoppers of metal are of early date, and seem to have been regarded by metal-workers as peculiarly suitable objects on which to display skill in modelling and even engraving.
Don' reckon nobody could git a deed off on you wid stoppers in it, does you?
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "stoppers" in a variety of sentences. We hope that you will now be able to make sentences using this word.
