XIV LIST OF ILLUSTRATIONS. 



METALLURGY. 



PLATES 



REGENERATIVE GAS FURNACE APPLIED TO MANUFACTURE OP 



CAST STEEL 3840 



Gas Producer 38 



Steel Melting Furnace 39 40 



ON PUDDLING 41 42 



Gas Producer 41 



Puddling Furnace 42 



ON SMELTING IRON AND STEEL 4345 



Steel Melt ing Furnace 43 44 



Jllaxt Furnace I) tar/ mm ........ 45 



ON THE PRODUCTION OP STEEL AND ITS APPLICATION TO 



MILITARY PURPOSES \\\ 47 



Section of Steel Melting Furnace 4fi 



Section of Rotator 47 



