24 NEW YORK STATE MUSEUM 
and the Iroquois China Co., of Syracuse, the Buffalo Pottery Co.. 
of Buffalo, and the Union Porcelain Works, of Brooklyn. Porce- 
lain electric supplies are manufactured by the Empire China Works, 
Brooklyn, Locke Insulator Co., with plants at Lima and Victor, 
Pass & Seymour, Syracuse, General Electric Co., and Weber Elec- 
tric Co., Schenectady. Chemical and sanitary ware are made by 
the Chas. Graham Chemical Pottery, Brooklyn. The other products 
include stoneware, red earthenware, cream-colored ware, clay to- 
bacco pipes, etc. 
The total value of the pottery produced last year was $2,876,762, 
as compared with $2,196,054 in 1911. The electric and sanitary 
wares accounted for $1,727,553, of which the greater part was 
represented by the value of the electric supplies. The value of 
certain metal fixtures is included, however, with that of the electric 
supplies. China or porcelain tablewares accounted for the next 
highest total, $1,038,428. The stoneware was valued at $46,024 and 
red earthenware at $29,697. All other products represented a value 
of $35,060. 
Value of production of pottery 
WARE 1910 IQII I9I2 
SLOMEWATCkE we caer aeele Gari eae Ree $41 925 $39 095 $46 024 
IRedreantienvyancan ne ee inne 25 713 32 495 29 697 
Porcelain and semiporcelain!........ I 027 249 I 048 872 I 038 428 
Electric and sanitary supplies........ Q9I 131 I 026 517 UW Ae 
IMGSCONANOCGERs soc occu doesncocctaae 50 500 49 O75 35 050 
HIB OGaI ete. coer antes: hy erica ere $2 136 518 | $2 196 054 | $2 876 752 
1Jncludes china tableware and cream-colored ware. 
CRUDE CLAY 
The clay produced in a few localities is not utilized by the original 
producers, but is shipped to others for manufacture, some of it 
going to points outside the State. This production, therefore, is 
listed separately from that of clay materials. The clays most ex- 
tensively exploited for shipment are the Albany slip clay and the 
fire clay found on Staten Island. The slip clay is a variety of the 
ordinary glacial clays found in the Hudson valley in association 
with the brick clays, differing from the latter in its finer grain and 
higher content of alkaline constituents. It has a relatively low 
