Excerpt from Mehl's Numismatic Monthly, Vol. 1: A Numismatic Journal for the General Collector, and Especially for the Beginner and Young Collector; May, 1908
The milled pieces are now subject ed to a further cleansing. To facili tate this cleansing. As well as to soften the pieces for the imprint of the dies, they are annealed by heating to a cherry red, then dipped into a solution of sulphuric acid and water sufficiently strong to clean and brighten them. After being thor oughly rinsed in boiling water they are hand riddled in sawdust to dry them. And are then ready for the stamping press.
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Paperback. Condizione: New. Print on Demand. This book is a remarkable overview of the US Mint at Philadelphia, covering everything from its history and design to its role in producing coins and medals. The author takes readers on a detailed tour of this magnificent building, highlighting its architectural features and the machinery used to craft coins. Along the way, readers will learn about the different processes involved in making coins, from melting and rolling the metal to striking the dies and adding finishing touches. The book is full of fascinating facts and anecdotes, making it a must-read for anyone interested in numismatics or American history. 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. Codice articolo 9781528110822_0
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Condizione: New. KlappentextrnrnExcerpt from Mehl s Numismatic Monthly, Vol. 1: A Numismatic Journal for the General Collector, and Especially for the Beginner and Young Collector May, 1908The milled pieces are now subject ed to a further cleansing. To . Codice articolo 2149110670
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