Excerpt from Making the Glass Disk for a 70-Inch Telescope Reflector
During succeeding centuries, as the art was developed, glass mak ing became an established industry and the quantity and quality of the product improved. It has only been within the last century, however, that glass making became a problem of scientific interest, and the resulting improvements made soon led to the production of glasses free from color, opaque inclusions, and other visible defects, and to the manufacture of glasses having certain definite composi tions. Such glasses have definite optical properties, and some of them are used in. The construction of precision optical instruments and consequently are referred to as optical glasses.
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Anbieter: Forgotten Books, London, Vereinigtes Königreich
Paperback. Zustand: New. Print on Demand. This book underscores the strides made in the realm of crafting large glass disks for telescope reflectors. It delves into the details of the process, recounting the challenges faced and the innovative methods employed to overcome them. The author, an expert in the field, provides a comprehensive guide to the techniques used in producing these intricate components, exploring the historical context and scientific principles that underpin the process. Richly illustrated and meticulously researched, this book offers a valuable resource for professionals and enthusiasts alike, shedding light on the complexities and triumphs of glassmaking for astronomical applications. 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. Bestandsnummer des Verkäufers 9780282839314_0
Anzahl: Mehr als 20 verfügbar
Anbieter: PBShop.store US, Wood Dale, IL, USA
PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Bestandsnummer des Verkäufers LW-9780282839314
Anbieter: PBShop.store UK, Fairford, GLOS, Vereinigtes Königreich
PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Bestandsnummer des Verkäufers LW-9780282839314
Anzahl: 15 verfügbar