Publisher's Synopsis
Excerpt from The Chemistry and Testing of Cement
From the earliest historical times, materials belonging to the class of calcareous cements have been used in the construction of buildings, the methods of preparing and applying them being the result of the experience of generations of builders, and undergoing little change in the course of centuries. The modern development of engineering practice, dating from the second half of the eighteenth century, gave a new importance to these materials, and brought about the invention of many new types of cement, some of which have in great measure superseded the older kinds. A large and important indus try has thus come into existence, and has gradually spread from a few local centres until it has become established in most parts of the civilised world.
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