80 SCIENTIFIC NEWS. 



cultivation of a species of radish, the raphanm sinensis. Ths 



culture of this plant ha«> been attended with buch success, as 



to merit attention. 

 Yields an ex- The Chinese radish yields a large quantity of oil ; and ex- 

 th^tobl or P crnncnts ' a t e b' made at Venice show, that this oil is prefer- 

 lamps. able to any other kind known, not only for culinary purposes, 



■i:u! giving light, but in medicine. 



Useful in mc- From the experiments made by Dr. Francis di Oliviero, it 



dicine, and is extremely useful in rheumatic and pulmonary affections : 



extraor- J l J ' 



ilinunly well, it is not liable to spoil by keeping like other oils; and it has 



been employed with much success in convulsive coughs. 



Culture. 'Ihe plant is not injured by the strongest frosts; it is sown 



IB September, and in May or June the seed is gathered, whicl* 



js very abundant. 



Simple process Jo? sailing and smoking meat. 



Process for 1° Franconia a method of salting and smoking meat i'e 



making excel- employed, that requires only eight and forty hours. The 

 ifl48houfg/ following is the process. A quantity of saltpetre, equal to 

 the common salt that would be required for the meat in the 

 usual way, is dissolved in water. Into this the meat to be 

 smoked is put, and kept over a slow tire for a few hours, till 

 all the water is evaporated. It is then hung up in a thick 

 smoke for four and twenty hours, when it will be found 

 equal in flavour to the best Hamburg smoked meat, that has 

 been kept several weeks in salt, as red interiorly, and as firm. 



To Correspondents. 



I am sorry to inform my correspondent at Whitby, that 

 his letter was unfortunately lost by the carelessness of the 

 messenger employed to convey it to mc from the publisher. 

 If he has retained a copy of it therefore, I would re-: 

 the favour of him, to transmit it to me. 



Dr. Traill's letter will appear in our next number. 



