Includes recovering gold from color waste, the copperas process, the zinc process, the old iron binding wire process, the complex process, recovering gold from electro gilding waste, the zinc acid process, gold from rinsing waters and wash waters, the hydrogen sulphide process, recovering gold from dip gilding waste, recovering gold from old stripping solutions, recovering gold from photography old toning solutions, useful hints and tables, gold precipitating reagents, recovering silver from silver plating solutions, the zinc acid process, the sulphide of sodium process, reducing silver sulphide to metal, recovering silver from electro silvering rinsing waters, reducing chloride of silver to metallic silver with metallic iron, recovering silver from dip silvering solutions and their rinsing waters, recovering silver from old stripping solutions, recovering silver from nitric acid solutions, washing precipitates, recovering silver from glass mirror makers' solutions, recovering silver from photography old hypo solutions, recovering silver from sundry salts of silver, silver precipitating reagents, recovering silver from mixed solutions, recovering platinum from platinum solutions, recovering platinum from electro platinating solutions, separating platinum from gold united by soldering in a manner that both metals can always be distinguished, separating platinum from gold, separating platinum from silver in dental alloy, separating platinum from copper, separating platinum from lemel without any gold in it, separating platinum from lemel containing both gold and silver, separating platinum from gold, silver, copper, nickel, and other metals, the assaying of platinum wares, platinum precipitating reagents, recovering gold, silver, and platinum from waste liquid residues of every description by one operation, the electrolytic method and melting sedimentary residues.

Recovering Precious Metals

Science & Math

Gee, George E.

Biological Sciences

Wexford College Press

The Goldsmith's Handbook containing Full Instructions for the Alloying and Working of Gold

This is a pre-1923 historical reproduction that was curated for quality. Quality assurance was conducted on each of these books in an attempt to remove books with imperfections introduced by the digitization process. Though we have made best efforts - the books may have occasional errors that do not impede the reading experience. We believe this work is culturally important and have elected to bring the book back into print as part of our continuing commitment to the preservation of printed works worldwide.

History

BiblioLife

<p>"The Practical Gold-Worker" is a comprehensive handbook designed for goldsmiths and jewellers, containing information on alloying, melting, reducing, colouring, collecting, refining, and much more. Clearly written and beginner-friendly, this volume is ideal for students and apprentices. Contents include: "Gold; Its History and Sources of Supply", "Properties of Gold", "Various Qualities and Alloys of Gold", "Melting and Rolling", "Coining", "Manufactured Articles - Locket-Making", "Solid Wire-Drawing", "Manufacturing Processes - Gold-plating", "Engineering and Chasing - Engraving", "Solders and Soldering - Hand Solder", etc. Many vintage books such as this are increasingly scarce and expensive. It is with this in mind that we are republishing this volume now in an affordable, modern, high-quality edition complete with a specially-commissioned new introduction on the history of jewellery making.</p>

The Practical Gold-Worker, or, The Goldsmith's and Jeweller's Instructor in the Art of Alloying, Melting, Reducing, Colouring, Collecting, and ... Enamels, and Other Useful Rules and Recipes.

Davies Press

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