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THAT a text-book of elementary foundry practice should be required for the use of students in secondary schools reads strangely in this country, but indicates how far trade practice is being brought into school curricula in the United States; and this work is by the instructor in forge and foundry practice in the University High School and the University, Chicago. A careful perusal of the book shows that it is the practice of the foundry—and that mainly of moulding—that is treated of, and not the science underlying foundry work. Only hand tools and such moulding as can be done with them are described, and the making of moulds for the production of steel castings is not included.A Text-book of Elementary Foundry Practice for the Use of Students in Colleges and Secondary Schools.By W. A. Richards. Pp. xii + 121. (New York: The Macmillan Co.; London: Macmillan and Co., Ltd., 1910.) Price 5s. 6d. net.