Excerpt from Data on Ultra-Violet Solar Radiation and the Solarization of Window Materials
Some years ago special window glasses were put on the market for transmitting the short wave length ultra-violet rays of the solar spectrum, shut out by common window glass. Early in the spring of 1927, reports came to this bureau that these glasses appeared to be losing their transparency as the result of solarization, which is the designation of the photochemical reaction most of these glasses undergo on exposure to sunlight.
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Seller: Forgotten Books, London, United Kingdom
Paperback. Condition: New. Print on Demand. This book delves into the transparency of various window materials, with a particular focus on the ability of these materials to transmit the ultraviolet rays of sunlight. The author examines the historical context of the discovery that common window glass blocks these rays, which are essential for preventing rickets. The book explores the development of new window glasses designed to transmit these vital rays, such as Helioglass and Vitaglass, and their subsequent solarization and decrease in transmission over time. The author also discusses the impact of solarization on the transmission of ultraviolet rays through these glasses and provides data on the transmission of various glasses before and after exposure to sunlight and artificial light sources. Through these investigations, the author sheds light on the complex interactions between sunlight, window materials, and human health, highlighting the importance of understanding the properties of these materials in order to optimize their use for therapeutic purposes. 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. Seller Inventory # 9781390526530_0
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