Beet root is a vegetable of large circ.u.mference, at the upper end nine to eleven inches in diameter. There are several kinds. That which is considered to yield the most sugar is the white or Silesian beet (_Beta alba_). It is smaller than the mangel wurzel, and more compact, and appears in its texture to be more like the Swedish turnip. For the manufacture of sugar, the smaller beets, of which the roots weigh only one or two pounds, were preferred by Chaptal, who, besides being a celebrated chemist, was also a practical agriculturist and a manufacturer of sugar from beet root. After the white beet follows the yellow (_beta major_), then the red (_beta romana_), and lastly the common or field beet root (_Beta sylvestris_). Margraf, as we have seen, was the first chemist who discovered the saccharine principle in beet root; and Achard, the first manufacturer who fitted up an establishment (in Silesia) for the extraction of sugar from the root.

It was not before 1809 that this manufacture was introduced into France.

The manufacture sprung up there in consequence of Bonaparte's scheme for destroying the colonial prosperity of Great Britain by excluding British colonial produce. It having been found that from the juice of the beet root a crystallizable sugar could be obtained, he encouraged the establishment of the manufacture by every advantage which monopoly and premiums could give it. Colonial sugar was at the enormous price of four and five francs a pound, and the use of it was become so habitual, that no Frenchman could do without it. Several large manufactories of beet root were established, some of which only served as pretexts for selling smuggled colonial sugar as the produce of their own works. Count Chaptal, however, established one on his own farm, raising the beet root, as well as extracting the sugar. The roots are first cleaned by washing or sc.r.a.ping, and then placed in a machine to be rasped and reduced to a pulp. This pulp is put into a strong canvas bag and placed under a powerful press to squeeze out the juice. It is then put into coppers and boiled, undergoing certain other processes. Most of the operations are nearly the same as those by which the juice of the sugar cane is prepared for use; but much greater skill and nicety are required in rendering the juice of the beet root crystallizable, on account of its greater rawness and the smaller quant.i.ty of sugar it contains. But when this sugar is refined, it is impossible for the most experienced judge to distinguish it from the other, either by the taste or appearance; and from this arose the facility with which smuggled colonial sugar was sold in France, under the name of sugar from beet root. Five tons of clean roots produce about 4 cwt. of coa.r.s.e sugar, which give about 160 lbs. of double refined sugar, and 60 lbs. of inferior lump sugar. The rest is mola.s.ses, from which a good spirit is distilled. The dry residue of the roots, after expressing the juice, consists chiefly of fibre and mucilage, and amounts to about one-fourth of the weight of the clean roots used. It contains all the nutritive part of the root, with the exception of 4 per cent. of sugar, which has been extracted from the juice, the rest being water.

As the expense of this manufacture greatly exceeded the value of the sugar produced, according to the price of colonial sugar, it was only by the artificial encouragement of a monopoly and premiums that it could be carried on to advantage. The process is one of mere curiosity as long as sugar from the sugar cane can be obtained cheaper, and the import duties laid upon it are not so excessive as to amount to a prohibition; and in this case it is almost impossible to prevent its clandestine introduction.

Another mode of making sugar from beet root, practised in some parts of Germany, is as follows, and is said to make better sugar than the other process:--The roots having been washed, are sliced lengthways, strung on packthread, and hung up to dry. The object of this is to let the watery juice evaporate, and the sweet juice, being concentrated, is taken up by macerating the dry slices in water. It is managed so that all the juice shall be extracted by a very small quant.i.ty of water, which saves much of the trouble of evaporation. Professor Lampadius obtained from 110 lbs. of roots 4 lbs. of well-grained white powder-sugar, and the residuum afforded 7 pints of spirit. Achard says that about a ton of roots produced 100 lbs. of raw sugar, which gave 55 lbs. of refined sugar, and 15 lbs. of treacle. This result is not very different from that of Chaptal. 6,000 tons of beet root it is said will produce 400 tons of sugar and 100 tons of mola.s.ses.

Beet root sugar in the raw state contains an essential oil, the taste and smell of which are disagreeable. Thus the treacle of beet root cannot be used in a direct way, whereas the treacle of cane sugar is of an agreeable flavor, for the essential oil which it contains is aromatic, and has some resemblance in taste to vanilla. But beet root sugar, when it is completely refined, differs in no sensible degree from refined cane sugar. In appearance it is quite equal to cane sugar, and the process of refining it is more easy than for the latter. Samples made in Belgium were exhibited at a late meeting of the Dublin Society. It was of the finest appearance, of strong sweetening quality, and in color resembling the species of sugar known as crushed lump. The most singular part of the matter is, that it was manufactured in the s.p.a.ce of forty-five minutes--the entire time occupied from the taking of the root out of the ground and putting it into the machine, to the production of the perfect article. It was said that it could be produced for 3d. per lb. An acre of ground is calculated to yield 50 tons of Silesian beet, which, in France and Belgium, give three tons of sugar, worth about 50; the refuse being applied in those countries to feeding cattle. But from the superior fitness of the Irish soil, as shown by experience to be the case, it is confidently affirmed by persons competent to form an opinion, that 8 per cent. of sugar could be obtained there on the raw bulk.

The following figures are given as ill.u.s.trative of the expense of the cultivation of one acre of beet-root in Ireland:--

Two ploughings and harrowing 1 1 0 Expense of manure and carting 5 0 0 Hoeing and seed 0 6 0 Drilling and sowing 0 5 0 Rent 2 0 0 ------- 8 12 0

An average produce of 20 tons, at 15 per ton, would leave a profit of 6 8s. per acre, leaving the land in a state fit for the reception, at little expense, of a crop of wheat, barley, or oats for the next year, and of hay for the year ensuing; a consideration of no small importance to the farmer. The following estimates, recently given, are not by any means exaggerated:--

61,607 tons of beet, at 10s. 30,803 10 0 Cost of manufacture, at 11s. per ton. 33,883 17 0 ------------- 64,687 7 0 Produce 7 per cent of sugar, at 28s. per cwt. 136,767 10 0 ------------- Estimated profit 72,080 3 0

The quant.i.ty of sugar made from beet-root in France in 1828, was about 2,650 tons; in 1830, its weight was estimated at 6 million kilogrammes[24] (5,820 tons); in 1834, at 26 million kilogrammes (24,000 tons); in 1835, 36,000 tons; in 1836, 49,000 tons. At the commencement of the year 1837, the number of refineries at work or being built was 543; on an average 20 kilogrammes of beet-root are required for the production of one kilogramme of sugar. The sugar manufactured from the beet-root in France a few years ago was stated to amount to 55,000 tons, or one half of the entire consumption of the kingdom. The _Courrier Francais_ calculated that the beet-root sugar made in France in 1838 amounted to 110 million lbs., and the journal added, there is no doubt that, in a few years, the produce will be equal to the entire demand. The cultivation then extended over 150,000 acres, and in the environs of Lille and Valenciennes it has sometimes been as high as 28,000 lbs. per acre.

From returns of the produce and consumption of beet-root sugar published in the _Moniteur_, it appears that on the 1st Dec. 1851, there were 335 manufactories in operation, or 81 more than in the corresponding period of 1850. The quant.i.ty of sugar made, including the portion lying over from the previous year, amounted to 19,625,386 kilogrammes, and that stored in the public bonding warehouse to 10,556,847. At the end of June, 1852, 329 manufactories were at work, or two more than at the same period in 1851. The quant.i.ty sold was 62,211,663 kilogrammes, or 9,167,018 less, as compared with the corresponding period of the previous year. There remained in stock in the manufactories 91,434,070 kilogrammes, and in the entrepot 4,597,829 kilogrammes, being an increase of 2,568,662 kilogrammes in the manufactories, and a decrease of 1,292,962 in the entrepots. The manufacture of beet-root sugar is every year a.s.suming in France increased importance, and attracts more and more the attention of political economists as a source of national wealth, and of government, as affording matter of taxation. Thirty new factories, got up upon a very extensive scale, are enumerated as going into operation this year. They are located, with but two exceptions, in the north of France; fifteen of them are in the single department of Nord. Indeed, the manufacture of beet-root sugar is confined, almost exclusively, to the five northern adjacent departments of Nord, Pas de Calais, Somme, Aisne, and Oise. The best quality retails at 16 cents the pound.

I take from a table in the _Moniteur_ the following statement of the number of factories and their location, with the amount of production up to the 31st May, 1851. At that date the season is supposed to end.

A separate column gives the total production in the season of 1842, showing an increase in ten years of more than double, viz., of 41,582,113 kilogrammes, or, in our weight, of 93,559,754 pounds.

Number of Kilogrammes Kilogrammes Departments. Factories. Prod. 1850-1. Prod. 1843.

Aisne 30 5,307,754 3,103,178 Nord 155 44,142,224 15,334,063 Oise 8 1,589,939 751,746 Pas-de-Calais 70 16,665,084 5,856,944 Somme 23 3,404,776 2,683,421 Scattered about 18 2,707,190 3,505,602 ------ ------------ ------------ 304 73,817,607 30,234,954

This information was given by M. Fould, Minister of Finance, upon the introduction of a bill making an appropriation for the purchase of 455 _saccharometers_, which had become necessary by reason of the late law ordering that from and after the 1st of January, 1852, the beet sugars were to be taxed according to their saccharine richness. The Minister declared that at that date there would be in active operation in France 334 sugar factories and 84 refining establishments.

The _Moniteur Parisien_ has the following:--

"Notwithstanding the advantages accorded to colonial sugar, and the duties which weigh on beet-root sugar, the latter article has acquired such a regular extension that it has reached the quant.i.ty of 60,000 tons--that is to say, the half of our consumption. France (deducting the refined sugar exported under favour of the drawback) consumes 120,000 tons, of which 60,000 are home made, 50,000 colonial, and 10,000 foreign. The two sugars have been placed on the same conditions as to duties, but it is only from the 1st inst.

(Jan. 1852), that the beet-root sugar will pay a heavier duty than our colonial sugar. In spite of this difference we are convinced that the manufacture of beet-root sugar, which is every day, improved by new processes, will be always very advantageous, and will attain in some years the total quant.i.ty of the consumption. In Belgium the produce of the beet-root follows the same progress. The consumption of sugar there was, in 1850, 14,000 tons, of which 7,000 was beet-root, made in 22 manufactories. This year there are 18 new ones, and although their organisation does not allow of their manufacturing in the same proportion as the 22 old ones, they will furnish at least 3,000 tons. The quant.i.ty of foreign sugar in that market does not reckon more than 4,000 tons. This conclusion is the more certain, as in 1848-1849, the beet-root only stood at 4,500 tons in the general account. It may therefore be seen from these figures what progress has been made. The same progressive movement is going on in Germany. In 1848 it produced 26,000 tons, and in 1861, 43,000. The following table shows the importance of this improvement. It comprises the Zollverein, Hanover, and the Hanse Towns:--

Cane Sugar. Beet-root. Totals.

Tons. Tons. Tons.

1848 60,500 26,000 86,500 1849 54,000 34,000 88,000 1851 45,000 43,000 88,000

Thus we find that in the period of four years cane sugar has lost 15,000 tons and it will lose still more when new manufactories shall have been established. The consumption of Russia is estimated at 85,000 tons, of which 35,000 is beet-root, and what proves that the latter every day gains ground is, that the orders to the Havana are constantly decreasing, and prices are getting lower. In 1848 Austria consumed 40,000 tons, of which 8,000 were beet-root. Last year (1851,) she produced 15,000 tons. The production of the continent rising to 200,000 tons, and the consumption remaining nearly stationary, it is evident that Brazilian and Cuban sugars will enc.u.mber the English market, independently of the refined sugar of Java, which Holland sends to Great Britain. When the continental system was established by the decrees of Milan and Berlin, the Emperor Napoleon asked the savans to point out the means of replacing the productions which he proscribed: it is to the active and useful impulse which his genius impressed on all minds, that France and Europe owe this fresh manufacture--a creation the more valuable as its fortunate development required the co-operation of chemical science and agricultural improvement."

The quant.i.ty of sugar extracted from beet-root in the commencement of the process, amounted to only 2 per cent.; but it was afterwards made to yield 5 per cent., and it was then supposed possible to extract 6 per cent. On this calculation the fiscal regulations for the protection of colonial sugars in France were founded; but recent experiments have been made, by means of which as much as ten and a half per cent. of sugar has been obtained. The following notice of the improved process is given in a number of the _Const.i.tutionnel_:--

"It appears that a great improvement is likely to be made in the manufacture of beet-root sugar. Those who are acquainted with the process of this manufacture, are aware that M. de Dombasle has the last six years exclusively devoted himself to bring to perfection the process of maceration, of which he is the inventor. Adopting recent improvements, this process is materially altered, and has now arrived at such a point of perfection that it could scarcely be exceeded. The Society for the Encouragement of National Industry recently appointed committees to examine the effect produced in the manufactory of Roville. They witnessed the entire progress of the work, every part of which was subjected to minute investigation.

Similar experiments have been made in the presence of many distinguished manufacturers. We have not the least intention to prejudge the decision which may be made on this subject by the society we have alluded to; but we believe we are able to mention the princ.i.p.al results that have regularly attended the works of the manufactory this year. The produce in coa.r.s.e sugar has been more than eight per cent. of the first quality, and more than two per cent. of the second quality, in all nearly ten and a half per cent.

of the weight of beet-root used; and the quality of these sugars has been considered by all the manufacturers superior to anything of the kind that has. .h.i.therto been made, and admits of its being converted into loaf-sugar of the first quality. The progress of these operations is as simple as possible, and the expenses attending the manufacture are considerably less than that of the process. .h.i.therto adopted."

The cultivation of the beet in France appears likely to prove still more advantageous, in consequence of the discovery that the mola.s.ses drawn from the root may be, after serving for the manufacture of sugar, turned to farther advantage. It appears that potash may be made from it, of a quality equal to foreign potash. A Monsieur Dubranfaut has discovered a method of extracting this substance from the residue of the mola.s.ses after distillation, and which residue, having served for the production of alcohol, was formerly thrown away. To give some idea of the importance of the creation of this new source of national wealth (remarks the _Journal des Debats_), it will be sufficient to say that the quant.i.ty of potash furnished by M. Dubranfaut's process is equal to l/6th of the quant.i.ty of sugar extracted from the beet.

Thus, taking the amount of indigenous sugar manufactured each year at seventy million kilogrammes (each kil. equal to 2 lbs. 2 oz. avoird.), there may besides be extracted from this root, which has served for that production, twelve million kilogrammes of saline matter, comparable to the best potash of commerce; and this, too, without, the loss of the alcohol and the other produce, the fabrication of which may be continued simultaneously. According to the present prices, the twelve millions of kilogrammes represent a value of from fourteen to fifteen million francs.

The States composing the German Union possessed towards the close of 1838, 87 manufactories of beet-root sugar in full operation, viz., Prussia, 63; Bavaria, 5; Wurtemburg, 3; Darmstadt, 1; other states, 15; besides 66 which were then constructing.

The only returns given for Prussia and Central Germany are 1836 to 1838, and the annual production of sugar was then estimated at eleven million pounds. The quant.i.ty now made is, of course, much greater.

At the close of 1888, Austria produced nine million pounds; she now makes fifteen thousand tons.

The growth of beet-root in Hungary, during the years 1837 and 1838, was extremely favorable, and the manufacture of sugar from it has become very extensive. It has been greatly encouraged by the Austrian government. It was estimated that fifty millions of pounds were manufactured in Prussia and Germany in 1839. In Bohemia there were, in 1840, fifty-two factories of beet-root sugar, and nine for the making of syrup out of potato meal. In 1838, the number was as high as eighty-seven.

The Dutch papers state that in a single establishment in Voster Vick, in Guilderland, about five million pounds' weight of the beet-root are consumed in the manufacture of sugar.

The following is a Comparative Statement of the number of Sugar Manufactories, and the Quant.i.ty of Beet-root upon which duty was paid for the Manufacture of Sugar in the Zollverein during the years ending the 31st of August, 1846 and 1847:--

-------------------+-------------+------------------------------------- | |Quant.i.ty of Beet-root upon which duty | |was paid for the Manufacture of Sugar.

| +---------+---------+----------------- | Number of | | | Comparison in Name of the State |Manufactories| | | 1846-7 with the of the Zollverein | | 1845-6 | 1846-7 | preceding year.

+------+------+ | +---------+------- | | | | | More in |Less in |1845-6|1846-7| | | 1846-7 |1846-7 -------------------+------+------+---------+---------+---------+------- Prussia | | |Cwts. ** | Cwts. | Cwts. | Cwts.

Eastern Prussia | 2 | 2 | 12,393| 29,941| 17,548| -- Western Prussia | -- | -- | -- | -- | --- | -- Posen | 7 | 8 | 101,422| 121,914| 20,492| -- Pomerania | 5 | 4 | 89,865| 121,061| 31,196| -- Silesia | 16 | 22 | 590,545| 711,632| 121,087| -- Brandenburg | 3 | 3 | 140,421| 148,066| 7,645| -- Prussian Saxony | 38 | 42 |2,676,084|3,547,891| 871,817| -- Duchies of Anhalt | 4 | 5 | 266,345| 288,082| 21,737| -- Westphalia | -- | -- | -- | -- | -- | -- Rhenish Provinces | 2 | -- | 2,479| -- | -- | 2,479 -------------------+------+------+---------+---------+---------+------- Total in Prussia | 77 | 86 |3,879,554|4,968,587|1,079,043| -------------------+------+------+---------+---------+---------+------- Luxemburg | -- | -- | -- | -- | -- | -- Bavaria, Kingdom of| 8 | 7 | 50,952| 46,142| -- | 4,810 Saxony, " | 1 | 2 | 20,887| 34,230| 13,343| -- Wurtemburg, " | 2 | 2 | 59,521| 141,366| 81,845| -- Baden, Grand Duchy | 2 | 2 | 316,968| 328,608| 11,640| -- Hesse, Electorate | 2 | 3 | 25,376| 23,529| -- | 1,847 Hesse, Grand Duchy | -- | -- | -- | -- | -- | -- Thuringia | 2 | 3 | 36,127| 38,218| 2,091| -- Brunswick, Dukedom | 2 | 2 | 65,707| 52,796| -- | 12,911 Na.s.sau, Dukedom | -- | -- | -- | -- | -- | -- Frankfort, FreeCity| -- | -- | -- | -- | -- | -- +------+------+---------+---------+---------+------- Total, exclusively } | | | | | of Prussia } 19 | 21 | 575,538| 664,889| 89,351| +------+------+---------+---------+---------+------- Total in the | | | | | | Zollverein | 96 | 107 |4,455,092|5,633,476|1,168,394| -------------------+------+------+---------+---------+---------+------- [** Prussian cwts. are equal to 80 English cwts.]

This statement proves that the cultivation of the beet-root, and the subsequent manufacture into sugar, has greatly increased in the Zollverein. Eleven manufactories had been added to the number in the previous year, and an increase of 26 per cent. took place in the quant.i.ty of beet-root which was manufactured into sugar. Each manufactory used, upon an average, the following quant.i.ty during the undermentioned years:--

1841-2 1844-5 1846-7 Cwts. Cwts. Cwts.

In Prussia generally 38,161 50,384 57,774 In the province of Saxony 55,412 70,423 84,473 In the province of Silesia 33,595 36,909 32,347 In the Zollverein, on an average in each manufactory 27,237 46,407 52,634

The increase is chiefly evident in the province of Saxony, where, in 1846-7, an augmentation of 1,087,851 cwt. of beet-root; in comparison to the preceding year, took place. If we compare the quant.i.ty of beet-root employed in Saxony with that of the whole Zollverein, we find that the former province requires 63 per cent, of the whole quant.i.ty used for the manufacture of sugar. The great activity in that province (chiefly in the district of Magdeburg) is rendered more apparent by the following table:--

Comparative Statement of the Number of Manufactories, and their Machinery and Utensils, employed for the Manufacture of Beet-root Sugar in the Prussian Province of Saxony during the years 1841-2 and 1846-7 respectively.

------------------------------+-------------------+-------------------- | |In the neighbourhood |Province of Saxony | of Magdeburg +---------+---------+---------+---------- | 1841-2 | 1846-7 | 1841-2 | 1846-7 +---------+---------+---------+---------- | No. | No. | No. | No.

Manufactories | 40 | 39 | 15 | 15 Apparatus for grating | 58 | 65 | 27 | 32 Hydraulic presses | 136 | 209 | 72 | 93 Clarifying pans, with open | | | | firing | 81 | 68 | 24 | 24 Ditto, by steam | 50 | 76 | 33 | 42 Evaporating pans, with open | | | | firing | 130 | 123 | 55 | 54 Ditto, by steam | 46 | 71 | 28 | 32 Clarifiers, with open firing | 23 | 21 | 14 | 10 Ditto, by steam | 23 | 28 | 19 | 21 Boiling pans, with open firing| 76 | 61 | 33 | 24 Ditto, by steam | 20 | 35 | 12 | 17 Of which there are vacuum pans| 8 | 21 | 3 | 9 Steam-engines | 19 | 40 | 12 | 20 Horse-power | 210 | 457 | 153 | 267 Cattle mills | 19 | 9 | 4 | 2 Cattle employed | 79 | 38 | 19 | 12 | | | | | Cwt. | Cwt. | Cwt. | Cwt.

Quant.i.ty of beet-root used} | | | | for manufacture } |2,349,774|3,387,280|1,433,293|1,889,463 Or on an average in each} | | | | manufactory } | 58,744| 86,853| 95,553| 125,964 ------------------------------+---------+---------+---------+----------

The increase of power by machinery is surprising, chiefly by steam and hydraulic presses, which has not only effected a greater produce, but likewise a much larger increase of the quant.i.ty of beet-root required for manufacture. The works where draught cattle are employed have decreased, and are only in use where the manufacture of beet root sugar is combined with a farm.

In Russia, in 1832, there existed only 20 manufacturers of beet root sugar, but this number subsequently increased to 100, and they annually produced the twelfth of the total quant.i.ty of sugar which Russia receives from foreign parts. The number of those manufactories in 1840, was 140, and the importation of sugar, which reached to 1,555,357 lbs. in 1837, amounted to only 1,269,209 lbs. in 1839. The production of indigenous sugar is now set down at 35,000 tons.

In France, for many years past, the production of beet-root sugar has been rapidly increasing, in spite of a gradual reduction of the protection which it enjoyed against colonial and foreign sugar, until it has reached a quant.i.ty of 60,000 tons, or fully one half of the entire consumption. Independent of the refined sugar exported under drawback, the consumption of France may be now estimated at 120,000 tons, of which 60,000 tons are of beet-root, 60,000 tons of French colonial, and 10,000 tons at the outside of foreign sugar. The beet-root and the French colonial sugars are now placed on the same footing as regards duty, and a law was recently pa.s.sed, subjecting beet-root sugar, from the 1st of January, 1852, to even a higher duty than French colonial sugar. Nevertheless, it is admitted that the manufacture of beet-root sugar is highly profitable and rapidly increasing, so that it is likely in a very short time to exclude foreign sugar from French consumption altogether.

In Belgium, the production of beet-root sugar is also rapidly increasing; in 1851 the entire consumption of sugar was estimated at 14,000 tons, of which 7,000 tons were of beet-root, and 7,000 tons of foreign cane sugar. The number of beet-root factories to supply that quant.i.ty was _twenty-two_, but this number has, already increased in the present year to _forty_. Many of these will be but imperfectly at work during this season, but it is estimated that of the entire consumption of 14,000 tons, at least 10,000 tons will consist of beet-root, and only 4,000 tons of foreign cane sugar. And from present appearances the manufacture of beet-root is likely to increase so much as to const.i.tute nearly the entire consumption. So lately as 1848 and 1849 the production of beet-root sugar was only 4,500 tons.

In Austria, the consumption of sugar in 1841 was 40,000 tons, of which 8,000 tons were of beet-root, and 32,000 tons of foreign cane sugar.

But the production of beet-root has increased so fast that it is estimated to produce in the present year 15,000 tons; and as no increase has taken place in the entire consumption, the portion of foreign cane sugar required in the present year will be reduced from 32,000 tons to 25,000 tons.

The following information, with regard to the state of the manufacture of beet-root sugar on the Continent last year, has been furnished by Mr. C.J. Ramsay, of Trinidad.

"My first start was for Paris, where I remained a week, procuring the necessary letters of introduction, to enable me to see some of the sugar works in the provinces. Whilst there I called upon Messrs.

Cail and Co., the princ.i.p.al machine makers in France, mentioned the subject of my visit, and requested their a.s.sistance. Nothing could have been more liberal than the way in which they treated me. I was at once asked to look over their establishment and requested to call the next day, when letters of introduction to their branch establishments at Valenciennes and Brussels would be ready for me.

This I of course did, and received not only these letters but some others, to sugar manufacturers in the neighbourhood of Valenciennes.

Thus provided, and with letters from Mr. D'Eickthal, a banker in Paris, to Mr. Dubranfaut, the chemist, to Mr. Grar, a refiner of Valenciennes, to Mr. Melsens of Brussels, and to another sugar maker near Valenciennes, whose name I forget, and who was the only man from whom I did not receive the greatest politeness, I started for Valenciennes. My first essay was upon the latter personage, who evidently with a considerable grudge showed me a simple room in his works where four centrifugal machines were at work--raised the cry of ruin, if the French improvements were introduced in the West Indies, and informed me he had nothing else worth seeing. I returned to Valenciennes, thinking if this is the way I was to be treated, I might as well have stayed at home. That this was a solitary instance of illiberality, you will presently see. I next called upon Mr.

Grar, by whom I was received in a very different manner; he at once offered to show me over his works, and especially that part of them where a new process, discovered by Mr. Dubranfaut, was carried on, every part of which was fully explained, Mr. Dubranfaut's laboratory is connected with these works, and having inspected the working part of the establishment Mr. G. then took me there, and introduced me to that gentleman, with whom I pa.s.sed the remainder of the afternoon, receiving a full explanation of his new process, which is this:--a solution of hydrate of barytes is made in boiling water--the saccharine solution to be treated is heated to the same degree, and the two mixed together in the proportions of 46 parts of hydrate of barytes to every 100 parts of sugar contained in the solution, which has previously been ascertained by polariscopic examination. A saccharate of barytes is immediately formed in the shape of a copious precipitate; this, after being thoroughly washed and thus freed from all soluble impurities, is transferred into large, deep vats, and a stream of carbonic acid gas forced into it, which decomposes the saccharate of barytes, forming carbonate of barytes, and liberating the sugar in the shape of a perfectly pure solution of sugar in water, of the density of 20 to 23 degrees Baume; the carbonate of barytes being thoroughly washed is again converted into caustic barytes by burning, so that there is little loss in the operation. The whole process is certainly very beautiful, and its economic working has been tried for a year, on a sufficiently large scale to leave no doubt as to the economy of the process in refining mola.s.ses, which is the only purpose it has yet been applied to.