Analysis of various Kinds of Pit -Coal. 143 



£0 grains of each of the coals and cokes, contained in the 

 following Table, were fused with 100 grains of the game 

 oxide of iron, and under similar circumstances. The results, 

 as exhibited in the Table, will furnish ample subject for re- 

 flection to those interested in iron, or in the affinities be- 

 tween carbon and this metal. 





Volatile 



20 Grains 



Iron re- 



Charcoal 



|20 Grains 



Iron re- 



Charcoal 





Mattei- 



raw Coal 



vived for 



left in the 



Coke re- 



vived for 



left in the 



' *- - 



contained 



revived 



each 



Crucible 



vived of 



each 



Crucible 





in the 



of Iron. 



Grain of 



not actec 



Iron. 



Grain of 



not acted 





Coal. 





Coal. 



on. 





Charcoal. 



upon. 







Grs. 



Grs. 



Grs. 



Grs. 



Grs. 



Grs. 



Welsh furnace coal 



8-5 



40 



2- 



2- 



34i 



1-725 



2-75 \ 



Alfreton furnace ditto 



45-5 



471 



2-365 





47 



2-350 



1-50 I 



Butterly furnace ditto 



42-83 



44 



2-20 





42 



2100 



1-75 I 



Welsh stone "coal - 



8- 



43i 



2-16 



175 



39 



195 



2-75 j 



Welsh slaty ditto - 



9-100 



4G1 



2-325 



3 50 



371 



1-875 



4-25 



Derbyshire Cannel 

















coal - 



47 000 



42 



2-100 





46i 



2-325 



S-50 



Kilkenny coal 



4-250 



41 4 



2087 



1-75 



38 



1-900 



1-75 



Ditto slaty 



13- 



41i 



2-075 



1-50 



16 



•800 



Glass 



Boolavooneen coal 



13-800 



44i 



2-225 



3-50 



18 



•900 



Glass 



Corgee coal 



9-100 



42i 



2-137 



3- 



27 



1-350 



Glass 



Stone Coal, Oueen's 















' 



County, No. 39 



10-300 



40i 



2-0375 



2-75 



20 



2-225 



Glass 



Oak wood 

 Stone wood - 



80-000 

 33-370 



121 



45 1 



625 



2-25 



2-5 

 00 



48 

 44| 



2-40 



2-225 | 



2-50 l „ 



General Table of the Analyses of the foregoing Coal. 











Specific 



Specific 





Volatile 





Ashes. 



Gravity 



Gravity 



t ~~ 



Matter. 







of the 



of the 











Coal. 



Coke. 



Welsh furnace coal 



8-5 



88-068 



3-432 



1 337 



1- 



Alfreton furnace coal 



455 



52-456 



2 044 



1-235 



less than 

 water 



Butterly furnace coal 



42-830 



52-882 ' 



4-288 



1-264 



1100 



Welsh stone coal 



8- 



89700 



2-300 



1-368 



1-3934 



Welsh slaty ditto 



9-100 



84-175 



6-725 



1-409 





Derbyshire Cannel ditto - 



47-000 



48-362 



4-638 



1-278 





Kilkenny coal 



4-250 



92-877 



2 873 



1 602 



1-6568 



Stone coal found under basalt 



16 6C0 



69-740 



13-600 





| 



Kilkenny slaty coal 



13 000 



80 475 



6-525 



1-445 





Scotch Cannel coal - - 



56 570 



39 430 



4-000 





I 



Boolavooneen ditto "j 



13-800 



82-960 



3-240 



1-436 



1-596 



Corgee coal - > Irish 



9-100 



87-491 



3-409 



1-403 



1 -6560 



Queen's County, No. 39 J 



10-300 



86-560 



3-140 



1-403 



1-6218 J 



Stone wood, Giants' Causeway 



33-370 



54-697 



11-933 



1-150 



| 



Oak wood - 



80 000 



19-500 



•500 





_J 



Vol. 32. No, 126, Nov. 1808* 



& 



D. MUSHET. 



XXV, The 



