k 



InjTitute of Cairo, 10^ 



Cairo, and in particular refpefting the courfe of the upper 

 part of the Nile, and the natural and civil hiftory of Abyffinia. 

 Frh7ia'ire 6. [November' 27.] 

 C. Levafleur, diredlor of the artillery and marine at Alex- 

 andria, tranfniitted to the Inllitute a memoir on the different 

 procefTes proper to correft certain faults in various kinds of 

 iron and fteel. 



C. Say propofcd that different pieces of coin, found in 

 digging among the ruins of Bellecis, fhould be depofited in 

 the library. 



Frimaii'c II. \_Dccemher 2.] 



C. Hybert, captain of the 85th demi-brigade, fent to the 

 Inftitute an allegorical drawing made in honour of General 

 Buonaparte. 



C. Defgenettes, in name of a commiffion, gave in a report 

 on the ophthalmy prefented by C. Larreft, furgcon general to 

 the army. 



C. Monge read feme obfervations he had made on tlie 

 phenomena of capillary tiibes. 



Frimaire 16. [JDecevibcr 7.J 



C. Balzac, architeft, prefented a poetical piece on the re- 

 lative fituation of the French in Egypt. 



C. BerthoUet read a paper on dyeing cotton and linen 

 with the carthamus, Egypt fupplies Europe with the car- 

 ihamus, and it is ufed there for dyeing iilk. In Egypt it is 

 employed in the dyeing of cotton, and the procefs confifts, 

 I. In feparating, by means of a water a little alkaline, the 

 yellow part from the red fubflance. 2. In incorporating the 

 alkali under the grinding-ftone with the carthamus. 3. In 

 keeping the heat of the bath at the temperature of from 30 

 to 40 degrees [of Reaumur, we fuppofe]. 



C. Levj.flcur's memoir on corredting the faults in certain 

 kinds of iron and flccl Iiaving been referred to a commiffion, 

 a report on that fubjeOi was read by C. Defcoftils. Iro:i 

 which breaks when forged cold is a mixture of two metals, 



one 



