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Since the 1930s economists have increasingly emphasized the scientific, quantitative side of their field, which has directed research to topics that can be elaborated through mathematical models. Economist Melvin Reder argues that this ongoing historical shift has been the result of pressure from two directions: from society's demand that expert advice be based on "scientific findings," and from economists themselves, who have wanted to view their own profession as a science. Economics: The Culture of a Controversial Science describes the profession of economics as it has developed in response to these challenges.
Wherever machinery operates there will be seals of some kind ensuring that the machine remains lubricated, the fluid being pumped does not leak, or the gas does not enter the atmosphere. Seals are ubiquitous, in industry, the home, transport and many other places. This 5th edition of a long-established title covers all types of seal by application: static, rotary, reciprocating etc. The book bears little resemblance to its predecessors, and Robert Flitney has re-planned and re-written every aspect of the subject. No engineer, designer or manufacturer of seals can afford to be without this unique resource. - Wide engineering market - Bang up to date! - Only one near competitor, now outdated
Each issue includes a classified section on the organization of the Dept.