Identifier: annualreportof5421900newy (find matches)
Title: Annual report of the Regents
Year: 1889 (1880s)
Authors: New York State Museum University of the State of New York. Board of Regents
Subjects: New York State Museum Science
Publisher: Albany : J.B. Lyon, State Printer
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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Pi CLAYS OF NEW YORK 763 employed, 2200° or 2300° F. are not infrequently attained. Evenin such, cases, not all the clays of the mixture are able to resistthe latter temperature; in such cases those whose fusibility isbelow this point serve as the bond for the body, while the morerefractory ingredients tend to preserve the form of the ware. At the present day the manufacture of terra cotta has reachedso high a degree of perfection that the manufacturer who is thor-oughly familiar with the behavior of his clays in burning is ableto produce pieces of exactly the desired size, and of regular shape,which in their complete condition fit more or less perfectly to-gether. At the same time however a little trimming of the edgeshas to be done at times; therefore the burned ware is taken fromthe kiln to the fitting room, where the different portions of thedesign are placed together in their proper relation, in order tomake sure that they fit as perfectly as possible. Terra cotta manufacturers

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