252 Ohfcrv aiions on the 



diys pour off whichever of thefe liquids you have employed, 

 and fupply its place with warm water, which ought to be 

 changed every three or four hours, until it come off perfectly 

 clear. When the matter with which the prints are dirtied 

 is of a refinous nature, which fometimes happens, dip them 

 in a little alcohol : afterwards fuffer all the moifture to drain 

 off, and cover the prints with the liquor of the oxygenated 

 muriatic acid made by minium. Place on the edges of the 

 wax another pane of glafs, of the fame fize as that below, 

 in order that you may not be too much incommoded by the 

 fmell of the acid ; and you will then plainly fee the yellowed 

 prints refume their original whitenefs. One or two hours 

 will be fuffieient to produce the defired effect. Having then 

 poured off the acid, wafli the prints, feveral times, in pure 

 water, and dry them in the fun. 



VII. Ohfervations on the Briti/b Trade with Turkey. From 

 Eton's Survey of the Turkilh Empire. 



JT ORMERLY the trade to Turkey was of confiderable 

 importance to this country ; but of late years it had been 

 lanffuifhiriff, and at Lift dwindled into a ftate of inuVnifi- 

 cancv, when the prefent war entirely put a flop to all com- 

 munication with the ports of the Levant. 



As this trade will be again opened when a peace takes 

 place, an inveftigation of the caufes of its decline, and the 

 means to give it its ancient extenfion, may not, in the mean 

 time, be unimportant to the government and to the merchants 

 of this country. 



The caufes of its gradual decline are, ift, The rivalfhip of 

 other European nations ; 2dly, The diminution of the con- 

 fumption of our manufactures in Turkey, by the impoveriflied 

 of the country; jdly, Some branches of trade being got 

 into otker channels; and 4thly, The monopoly of the Levant 

 Company in London. 



7 With 



