LIST OF METALLURGICAL PLATES. 



Plate XXIII.— Circular furnace. Smelter A. 

 Fig. 1. Elevatiou. 



Fig. 2. Horizoutal secliou at tuyeres. 

 Fig. ;?. Vertical section througli lead-pot. 

 Fig. 4. Horizontal section above water-jackets. 

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

 Fig. 1. Eeverberatory furnace in side elevation. 

 Fig. 2. Dust-cbamber, vertical section. 

 Fig. 3. Dust cbamber, horizontal section. 

 XXV. — Flue arrangement. Smelter A. 



Perspective view of furnaces and dusl-chambers. 

 XXVI.— Rectangular furnace. Smelter B. 

 Fig. 1. Elevation. 



Fig. 2. Horizontal section at tuyeres. 

 Fig. 3. "\'ertical 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 iilter, with connecting pipe. 

 Fig. 2. Side elevatiou of filter. 

 McAllister cbarcoal kiln. 



Fig. 3. Vertical section through cbargiug-door. 

 Fig. 4. Elevatiou. 

 XXIX.— Rectangular furnace. Smelter C. 

 Fig. 1. Elevation. 

 • Fig. 2. Horizontal section at tuyeres. 



Fi". 3. Vertical section on shorter diameter. 

 Fig. 4. Horizontal section at crucible. 

 Fig. 5. Vertical section on longer diameter. 

 XXX.— Brick dust-chamber. Smelter C. 



Fig. 1. Vertical longitudinal section. 

 Fig. 2. Horizoutal longitudinal section. 

 Figs, h, c, d, e,f, fl, 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. 

 Fi"'. 2. Vertical section on shorter diameter. 

 Fig. 3. Side elevatiou. 

 Fig. 4. Elevation of dust-chamber. 



