CLAYS. 



:;«.) 



Analyses of fire-clays from the Denver Basin and from other American and foreign 

 localities for comparison — Continued. 



Localil ' 



Denver FireClaj Co., Denver, Colo. .. 0.49 



William B. Dixon, W Ibi id 



William II. Berry, Woodbi Id 



' oodbridge, 



' i 



Cro mi and ■' ■ 



i. in River, M.J 



E. F. Robi ill'" i 



X .1 



.: 1 1 ii ' 



r.j 



atineral Poinl in. ■ 



Pa 



. 35 



2. ::o 



Mnillit S.r. ;i-i In ■ 



age, Aid 



Scioto Star Fire Brick I 



ville.Ohio 



Bi Ii I. ' " Porta i 



. :: 1 

 mouth Ohio > 



■ I .40 



Worceatei County, England 50 



'. orkahire, 



ad "'l 



Eire-clay, Frankenthal - on ■ Bhlm 



2.22 



I ii i i in j , Bolb in . I »' pi 'I' '. aucluae, 



I i mi ' 40 



0.09 



In,.. 



Trace 



i. j I 

 1.1" 



1.20 



1.117 



1.02 



Will, i 



1.92 



1.4:: 



2. .".I 



55 



1.09 

 2 20 



2. Hi 



3.97 



2. '12 



3.10 



100.00 



..'.7 ](>ll. 20 

 1. 50 99. 94 



1.21 

 1.00 



2.50 



2.10 



3.20 

 3. CO 



99.55 



inn. 17 

 inn ].. 



100.51 

 99.95 



100.00 



100.00 



brick and othei odoota. 



111. Fin 1 



11. Fire-brick. 



12. 'V11 ed in glaaa pota and crnciblee." 



pota. 

 14 'Hi. 1 cupola lining! quiremente. The brieka are excellent." 



1 noted iin'l ■' Bonghl aftei for manufacture of refractory materiala. (7 aed one-third crude 



and one-third burnt, with one-third quartz aand for tnyerea of S nd eteel f urnaoi hi 



