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Edwin Eckel's exceptionally detailed volume, published in 1928, presents a wealth of information drawing on his own research as well as the work of all the eminent international authorities in the field of lime mortars and cements. It captures the fascinating development of building materials from the nineteenth century through the first quarter of the twentieth century. Of particular interest is the way in which it chronicles the demise of hydraulic cement, followed by the brief meteoric rise in popularity of natural cements, then subsequently their rapid eclipse by Portland cement. This...