LIST OF METALLURGICAL PLATES. 



PLATE XXIII. Circular furnace. Smelter A. 



Fig. 1. Elevation. 



Fig. 2. Horizontal section at tuyeres. 



Fig. :i. Vertical section through lead-pot. 



Fig. 4. Horizontal section above water-jackets. 

 XXIV. Reverberatory furnace and dust-chamber. Smelter A. 



Fig. 1. Reverberatory furnace in side elevation. 



Fig. 2. Dust-chamber, vertical section. 



Fig. 3. Dust chamber, horizontal section. 

 XXV. Flue arrangement. Smelter A. 



Perspective view of furnaces and dust-chambers. 

 XXVI. Rectangular furnace. Smelter B. 



Fig. 1. Elevation. 



Fig. 2. Horizontal section at tuyeres. 



Fig. 3. Vertical section through slag-gutter. 



Fig. 4. Horizoutal section at charging-floor. 

 XXVII. Circular furnace. Smelter B. 



Fig. 1. Elevation. 



Fig. 2. Horizontal section at tuyeres. 



Fig. 3. Vertical section through lead-pot. 

 XXVIII. Bartlett smoke-filter. Smelter B. 



Fig. I. Elevation of furnace and filter, with connecting pipe. 



Fig. 2. Side elevation of filter. 

 McAllister charcoal kiln. 



Fig. 3. Vertical section through charging-door. 



Fig. 4. Elevation. 



XXIX. Rectangular furnace. Smelter C. 

 , Fig. 1. Elevation. 



Fig. 2. Horizontal section at tuyeies. 



Fig. 3. Vertical section on shorter diameter. 



Fig. 47 Horizontal section at crucible. 



Fig. 5. Vertical section on longer diameter. 

 XXX. Brick dust-chamber. Smelter C. 



Fig. 1. Vertical longitudinal section. 



Fig. 2. Horizontal longitudinal section. 



Figs, b, c, d, e,f, g, partition walls between compartments. 

 XXXI. Fig. 1. Blast arrangement at Smelter C. 



Fig. 2. Elevation showing disposition of plant at Smelter C. 

 XXXII. Furnace and dust-chamber. Smelter D. 



Fig. 1. Front elevation. 



Fig. 2. Vertical section on shorter diameter. 



Fig. 3. Sitle elevation. 



Fig. 4. Elevation of dust-chamber. 



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