704 



MR ROBERTSON ON THE IRON MINES OF CARADOGH. 



\r 



Fig. 7. 



Fig. 8. 



Fio-. 10. 



Fig. 11. 



Fig. 12. 



'^L 



Fig. 13. 



Fig. 14. 



Scale. 



12 6 



Inches. I i i I ii I m I i i I 



Feet. 



DESCRIPTION OF FIGURES. 



Ground-plan of forge. 



A pair of double bellows. 



Vertical section of the forge and chimney. 



Side view of forge. 



Side view of forsre. 



Side view of bellows. 



End view of forire. 



Fig. 1. 

 Fig. 9. 

 Fig. 2. 

 Fig. 3. 

 Fig. 4. 

 Fig. 9. 

 Fig. 5. 

 Fig. 6. 

 Figs. 7> 8, 10, II, 12, 13, 14, Tools employed in the manufacture. 



Section of ore-hearth through the centre. 



