The Foundry sands of Indiana

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• 责任者：Logan ; W.N.
• 责任方式：Written
• 出版者：s.n.
• 出版年：1930
• 出版地：s.l.
• 出版日期：1930/1/1 0:00:00
• 价格：0
• 分类号：254.2
• 语言：English

摘要

Sands or mixtures of sandm, silt and clay are used in foundries for the making of molds in which metals are cast, or in the making of cores which are used to fill the spaces intended to be voids in casting.