{"product_id":"the-practical-assayer-containing-easy-methods-for-the-assay-of-the-principal-metals-and-alloys-principally-designed-for-explorers-and-those-interested-in-mines-classic-reprint","title":"The Practical Assayer: Containing Easy Methods for the Assay of the Principal Metals and Alloys, Principally Designed for Explorers and Those Interested in Mines (Classic Reprint)","description":"Excerpt from The Practical Assayer: Containing Easy Methods for the Assay of the Principal Metals and Alloys, Principally Designed for Explorers and Those Interested in Mines\u003cbr\u003e\u003cbr\u003eI have added the estimations of guano and nitrate of soda, as these substances are now playing such an important part in commerce.\u003cbr\u003e\u003cbr\u003eIn an Appendix I give a description of the Guayacan method of smelting copper, a method which has been the subject of much contention.\u003cbr\u003e\u003cbr\u003eAbout the Publisher\u003cbr\u003e\u003cbr\u003eForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com\u003cbr\u003e\u003cbr\u003eThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.","brand":"Forgotten Books","offers":[{"title":"Hardback","offer_id":35123173687341,"sku":"9780267859610","price":16.68,"currency_code":"GBP","in_stock":true},{"title":"Paperback","offer_id":39825783652397,"sku":"9781332229918","price":10.83,"currency_code":"GBP","in_stock":true}],"url":"https:\/\/www.thegreatbritishbookshop.co.uk\/products\/the-practical-assayer-containing-easy-methods-for-the-assay-of-the-principal-metals-and-alloys-principally-designed-for-explorers-and-those-interested-in-mines-classic-reprint","provider":"The Great British Bookshop","version":"1.0","type":"link"}