Pottery and porcelain of the United States : an historical review of American ceramic art from the earliest times to the present day (1893)
Barber, Edwin Atlee, 1851-1916 · New York : G. P. Putnam's Sons · leaf 417
POTTERY AND PORCELAIN. parted by the predominating oxide. Iron produces red,manganese black or gray, and white calcium creates a buffor light tint. The entire absence of oxides results in awhite body which is difficult to vitrify on account of thewant of fluxes, hence it is not suited for a… … 212.—Works of the New York Architectural Tekra-Cotta Co., Long Island City, N. V. terra-cotta is made equally hard and durable, as the skintakes up enough of the flux from the main body to renderit of an equal weather value without seriously affecting itspurity of color. That the New York…
Pottery, American · Pottery
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