Atiulyfis cf ^Uel 45 1 



Table of the Quantities of Carburet of Iron, contaminated witL Sllex, afforded by each of 

 the Steels, converted into Decimal Parts. 



Steel, No. 864, fmall piece — 0,015 



No. 864, large piece ■ — 0,0 1 3 



No. 977 - ' — 0,012 



No. 1024 • — 0,015 



As it was afcertained by feveral experiments made upon the carburets of iron extrafled 

 from the different kinds of fteel, that this fubftanee Contains at a medium 0,526 carbone, 

 and 0,474 fjliceous iron, it follows: 



1. That the 15 thoufandth parts of No. 864, fmall piece, are compofed of 



Carbone ■ ■ — 0,00789 



Siliceous iron ^ — — -- 0,00711 



2. That the 0,013th parts of No. 864, large piece, are compofed of 



Carbone ' ' <-- — 0,00683 



Siliceous Iron —*--. -"n ■ — 0,00616 



3. That the 0,015th parts of No. 977 are formed of 



Carbone — ■ — — — 0,00789 



Siliceous Iron — — — 0,00^11 



• 4. That the 0,012th parts of No. 1024, are compofed of 



Carbone - — — « — i-i — - — 0,00631 



Siliceous Iron " — 0,00568 



1 do not think it neceflary in this place to afcertain the proportion between the iron and 

 the Clex which exifts In the carburet of iron, Lecaufe this earthy fubftanee being to all ap- 

 pearance accidentally in the fteel, muft vary according to a great number of different cir- 

 cumftances. 



The following, however, are the mean refults obtained from feveral experiments on the 

 carburet of iron : 



I. Carbone ■ ' " — 0,53 



a. Iron ■ . I — 0,26 



3. Silex — — '■ ■" ■ — 0,21 



1,00 



Table of the Quantities of Phofphate of Iron afforded by the four Kinds of Steel. 



By comparing the quantities of phofphate of Iron obtained from the four kinds of fteel 



here fubraltted to examination, very remarkable differences appear ; as follows : 



No. 864, fmall piece ■ ■ ■ — 0,0210 



No. 864, large piece ■ ■■ — 0,0504 



No. 977 — 0,0474 



No. 1024 ■ ■ —" 0,0906 



Kki "" Tabic 



