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Agriculture not only gives riches to a nation, but the only riches she can call her own.
J. RIDGWAY & SONS, 169, PICCADILLY.
Mr. S. Taylor on the Manufacture of Beet-Root Sugar in France, &c., con-
THIRD EDITION OF BAINBRIDGE'S FLY
PLATES, representing upwards of FORTY of the most useful FLIES, accurately copied from Nature. By GEORGE C. BAINBRIDGE, Esq.
The sale of two editions of the Fly Fisher's Guide, may be considered as having established it a standard work of the kind. “ An excellent work it is, perhaps the best of the kind we ever read.”
Blackwood's Magazine. Longman, Rees, Orme, Brown, Green, and Longman, London ; W.Blackwood, Edinburgh ; and J. F. Cannell, Liverpool.
A HISTORY OF THE RISE, PROGRESS, AND PRESENT STATE OF THE
MANUFACTURE OF BEET-ROOT SUGAR IN FRANCE.
Compiled and translated from the Works of M. Dubrunfaut and others.
WITH AN ACCOUNT OF THE MANGEL WURZEL, OR CATTLE BEET, IN GREAT BRITAIN.
BY SAMUEL TAYLOR, JUN.
Concentration of the Juice.
If, after defecation, the juice were only a crystallizable matter, composed but of liquid sugar and water, all that would be necessary could be accomplished by evaporation. But this is not the case, for when the juice is submitted to this operation, it soon becomes turbid, though clear at first, and presents to the eye a number of lumps similar to those produced by defecation, and which are held in solution, and only precipitated as the water evaporates. These solid particles contribute to the alteration which takes place in the sugar. One inconvenience attending them is this : that if it were wished to proceed at once to boil the juice without interposing between the defecation and this same boiling, some process by which the syrup can be purged from the impurities which are held in suspension in it, we should obtain nothing but a thick substance which would burn before it perfected its sugar, and from which, in fact, not an atom of crystallizable matter could be extracted. It is this circumstance which distinguishes, in beet root sugar works,
NEW SERIES, vol. I, NO. 1.