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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CLAYS OF NEW YORK 669 Coarse-grained sandy clays permit rapid drying, while very plas-tic ones must be dried with exceeding care. Fine-grained, sandyclays may require slow drying, as the pores are so small that thewater caii not escape rapidly, but it is not necessary to follow an in-variable method in the burning. Bricks made by the soft mud process are usually dried in oneof three ways viz: 1 Open yards 2 Pallet yards 3 Covered yards The first method is the most used, the second next and the thirdleast. In the first method the bricks are spread out on a hardfloor, in the open air. This floor, which is about 200 feet long, isof brick, with a thin covering of sand, and is the ^^ yard proper.At one end of it are the molding machines, at the other end thekiln sheds. The yard usually drains toward one end, or fromthe center toward both. After a days production has been spreadout, the boy who tended the machine in the morning goes alongthe rows and stamps them with a piece of board set on

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