194 Menstruum for Biting-in on Steel Plate. 
ton, or to have cotton for its basis, and silk for its outside.— 
jbid. 2 
43. English Opium.—The cultivation of the poppy for 
the manufacture of opium, continues to be prosecuted with 
success in England. It was mentioned in Vol. VIII of this 
Journal, that Messrs. Cowley & Staines, of Winslow, in the 
year 1822, raised one hundred and forty-three pounds of 
opium from eleven acres and five poles of land. Inthe year 
1823 the same gentlemen raised one hundred and ninety-six — 
pounds of opium froma Jittle more than twelve acres of land. 
Engli opium continues to be generally approved by 
the medical profession and now sells at two shillings per 
pound above the best foreign. The soilion which the poppy 
is most advantageously raised, consists of a good loam ; and 
a porous sub-soil is deemed a circumstance of prime impor- 
43. Menstruum for Biting-in on Steel Plate—A gold 
medal has been presented by the society for the encourage- 
ment of Arts, Manufactures, and Commerce, to Mr. E. Tur- 
rell, for his Menstruum for biting-in on steel plate. The di- 
rections for preparing this menstruum are : Fake four parts, 
by measure, of the strongest pyroligneous acid, and one part 
of alcohol; mix these together and agitate them gently for 
about halfa minute; then add one part of pure nitric acid ; 
and when the whole are thoroughly mixed, the menstruum !s 
fit to be poured upon the etched steel plate.—Jbid. 
* 
