Assayers guide practical directions (66 resultados)

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

Condición: New.

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

Condición: New.

Condición: New.

Condición: New. In English.

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

Condición: New.

HRD. Condición: New. New Book. Shipped from UK. Established seller since 2000.

Paperback / softback. Condición: New. New copy - Usually dispatched within 4 working days.

HRD. Condición: New. New Book. Shipped from UK. Established seller since 2000.

Condición: New.

Condición: New. In English.

Cloth. Condición: G/No Dustjacket. Revised Edition. Philadelphia, PA: Henry Carey Baird & Company. G/No Dustjacket. 1902. Revised Edition. Cloth. 12mo., 283, 32 pp., edges rubbed, page toning . Charts (ilustrador).

Taschenbuch. Condición: Neu. Neuware - This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the 'public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.…

Cloth. Condición: Very Good. Later printing. Later printing. 133 pages + 4 plates + 32 pages (ads). Small 8vo. Publisher's cloth gilt. Old dampstaining to rear panel. minor wear to extremities. Previous owner name and plea to return book on title page. Sound. Clean internally. Nice distributor label on front pastedown (Munn & Co). Several pencilled marks on endpapers. Cloth.…

Hardcover. Condición: Very Good-.

Condición: New. KlappentextrnrnThis is a reproduction of the original artefact. Generally these books are created from careful scans of the original. This allows us to preserve the book accurately and present it in the way the author intended. Since the origina.

Condición: New.

Paperback. Condición: New. Print on Demand. Embark on a journey into the historical world of assaying, a crucial practice in evaluating the composition of ores and alloys, especially precious metals like gold and silver. This book serves as a comprehensive guide, offering practical instructions and insights into the art and science of assaying. The author delves into the methods and tools employed by assayers of the past, providing detailed descriptions of furnaces, crucibles, cupels, and balances. The book meticulously outlines the processes involved in assaying silver and gold ores, encompassing techniques such as cupellation, quartation, and parting. Beyond the technical aspects, this book explores the historical significance of assaying, tracing its roots back to ancient civilizations and its vital role in shaping metallurgical practices. The author sheds light on the challenges faced by assayers and the ingenuity with which they overcame them. By offering a glimpse into the world of assaying, this book underscores the intricate balance between scientific precision and practical application, revealing the enduring legacy of this art in our understanding of metals and their value. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.…

Buch. Condición: Neu. Neuware - This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the 'public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.…

Gebunden. Condición: New.

PF. Condición: New. This item is printed on demand. Brand new book, sourced directly from publisher. Dispatch time is 6-7 days from our warehouse. Book will be sent in robust, secure packaging to ensure it reaches you securely.

PAP. Condición: New. New Book. Shipped from UK. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

Sonstiges. Condición: Neu. Neuware - For The Tests And Assays, By Heat And By Wet Processes Of The Ores Of All The Principal Metals Of Gold And Silver Coins And Alloys, And Of Coal Etc.

PAP. Condición: New. New Book. Delivered from our UK warehouse in 4 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

Hardcover. Condición: Good. Good. Hardcover volume. 127 pages, plus appendices. Black boards with edgewear and chipping. Spine is bare is binding is visible. Pages are clean and unmarked. Appendices include handsome illustrations of various pieces of equipment and charts and tables.

Light wear and fading to covers, owner's stamps to endpapers and title page, front inner hinge starting, still a good plus copy with very good contents. 8vo. 133, [5] plates, (32 ads) pp. Hardcover, original blindstamped brown cloth.

Hardcover. Condición: Very Good-. No Dust Jacket. 133+pp. Original dark blue cloth covers stamped in blind w/ gilt title on spine. Binding lightly rubbed w/ wear to corners. Previous owner's name on front blank endpaper. Edges of leaves a bit age toned. Illust. w/ 5 b/w plates in rear. Includes a 24 pp. catalogue in rear.…

12mo. 133 pp., plus 23 pp. publ. ads. 5 engraved plates. Drk blue embssd cloth, gilt lettrng on spine (mnr bmpng to crnrs, shlfwr), VG copy from the library of the former Oregon State Geologist, Paul Lawson. Early printing.