A wonderful 1902 book full of jeweler's secrets and repair techniques. Chapters include bench design, tools, chemicals, tables and recipes, how to use gold testing acids, making rings, eyeglass frame repair, jewelry repair and, oddly, disposing of unclaimed repair work. Keplinger was a good writer and the text is readable and professionally detailed. This book may cover more repair detail well than any other. It is interesting to see how many of the tools are exactly the same, the main differences have to do with power tools like using a bow drill. There are lots of good descriptions, and of tool making and adapting, many of them, like wax boxes, or clamping tweezers are still hand made today. The chemicals for a workshop are described and how to make them, as well as precise directions for pickle, anti-oxidizer, soft solder remover and many others. ... [read more...]