People have always wanted light, and until the 19th century the only useful source of light was flame. Electricity brought clean light without flame, and sometimes even without much heat. This book is about the ways in which people have made light to lengthen their day. It explains how oil-lamps, candles, and gas-lights work and, drawing on writings of the time, shows how the available lights affected daily life. The principles of all the main types of electric lights now available are described. Alongside this technical history, quotations from Aristophanes to Jane Austen, from James Boswell to Kenneth Grahame, illustrate the social importance of lighting.
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People have always wanted light, and until the 19th century the only useful source of light was flame. Electricity brought clean light without flame, and sometimes even without much heat. This book is about the ways in which people have made light to lengthen their day. It explains how oil-lamps, candles, and gas-lights work and, drawing on writings of the time, shows how the available lights affected daily life. The principles of all the main types of electric lights now available are described. Alongside this technical history, quotations from Aristophanes to Jane Austen, from James Boswell to Kenneth Grahame, illustrate the social importance of lighting.
"Sobre este título" puede pertenecer a otra edición de este libro.
Librería: Goodwill of Greater Milwaukee and Chicago, Racine, WI, Estados Unidos de America
Condición: good. Book is considered to be in good or better condition. The actual cover image may not match the stock photo. Hard cover books may show signs of wear on the spine, cover or dust jacket. Paperback book may show signs of wear on spine or cover as well as having a slight bend, curve or creasing to it. Book should have minimal to no writing inside and no highlighting. Pages should be free of tears or creasing. Stickers should not be present on cover or elsewhere, and any CD or DVD expected with the book is included. Book is not a former library copy. Nº de ref. del artículo: SEWV.0198565488.G
Cantidad disponible: 1 disponibles
Librería: ThriftBooks-Dallas, Dallas, TX, Estados Unidos de America
Hardcover. Condición: Good. No Jacket. Missing dust jacket; Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. Nº de ref. del artículo: G0198565488I3N01
Cantidad disponible: 1 disponibles
Librería: GREENSLEEVES BOOKS, Oxford, Reino Unido
Hardcover. Condición: Very Good. 0198565488. 1998, inscription signed author, bright clean copy, with dustjacket, no markings, Professional booksellers since 1981�x. Nº de ref. del artículo: 167617
Cantidad disponible: 1 disponibles