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The first edition of this book was welcomed not only by the conservation profession but also by those working in archaeology and museums who need to know from what materials objects are made, the compounds that are associated with them or the characteristics of the materials used to package or store them. This second edition (reprint) includes modifications to several of the procedures described - tests for metals, inorganic compounds, organic and synthetic materials as well as several tests that help to characterize materials. The tests are applicable to a wide range of object classes...

The Swiss Jesuit missionary Philipp Segesser was sent to northwestern Mexico in 1731. His letters home, translated and edited in this fascinating book, provide a frank and intimate view of missionary life on the remote northwestern frontier of New Spain.