334 Black Volnt. — Su^ar from Beet-rcot. 



rofe and fell at each oxploliou ; and water in a veflel, at the 

 diltiinceof five hundred paces, was violently agitated. There 

 have hecn inftances or the noiie of heav\- cannonades, in the 

 laft and prefcnt war, being heard at the diftance of more 

 than forty miles. Nay, tiie thunder of cannon penetrate* 

 even into tlie interior parts of the earth, and to the bottom 

 of the fca, fo that whales and herrings have been frightened 

 away to the diftance of two hundred miles. The author, 

 from thcfc principles, endeavours to account for certain fingn- 

 larities wliich prevailed in the weather in fome parts of Ger- 

 manv in the year 1797; and to fliew that the quantity of 

 gun-powder fired in the lime of war may have a fenfible eflfeft 

 «n the fcrtilitv of gardens and fields. In the feven years war 

 above a million of pounds of powder were fired off in Europe; 

 and it may with certainty ne affirmed that no Icfs a quantity 

 has been confumed in the prefcnt war a^ainfi: the French. 



NEV/ BASIS FOR BLACK PAINT. 



A moft excellent bafis for black paint has been difcovered 

 in the Lead-mines of Nant Gvvidcr, in the Vale of Conway, 

 bv Mr. Goodwin of Llanrooft, proprietor of feveral mines, of 

 which a dcfcription and anal\fis will be given in fome fu- 

 ture number of the Philofophical Magazine, together with 

 that of feveral ether fubftances he has difcovered in North 

 Wales, and which it is prcfunied will be of confiderable 

 utility. 



SUGAR FROM THE BEET-feOOT. 



Profcflbr Gottiing, of Jena, has announced a fmall work, 

 which he intends to publiih foon, on the preparation of 

 fugar from the beet-root. The Profeflbr in his profpedus < 

 pbfervcs, that the various kinds of beet with which he made 

 experiments, mult be treated in a quite difflrent manner from 

 the fugar- cane, or the method employed by Margraaf, in or- 

 der to obtain from them good fugar. In regard to the quan- 

 tity of fugar which they produce, he found very little varia- 

 tion. 



