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Author: Hubert Walter
Publisher:
ISBN:
Category : Electric lighting
Languages : en
Pages : 112
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Book Description
Author: Hubert Walter
Publisher:
ISBN:
Category : Electric lighting
Languages : en
Pages : 112
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Book Description
Author: Hubert Walter
Publisher: Palala Press
ISBN: 9781358965524
Category :
Languages : en
Pages :
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Hubert WALTER (Electrician.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 88
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Book Description
Author: Olin Jerome Ferguson
Publisher: Forgotten Books
ISBN: 9780364890332
Category : Technology & Engineering
Languages : en
Pages : 256
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Book Description
Excerpt from Electric Lighting There are few engineering activities which have advanced more rapidly during the last few years than have the, art and practice Of electric lighting. Illuminants have been steadily improved and refined. New types Of lamps have been developed giving better colors Of light, more efficient light production, cheaper units and a greater range Of sizes. Principles Of illumination have been studied and applied in the better solution Of lighting problems. Indirect lighting, semi or complete, has introduced great possibilities into the handling Of both small and large installations. The economic value Of good lighting is better appreciated. Color is beginning to play an important part in lighting schemes. It is destined to become even more widely utilized. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This 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.
Author: Robert Hammond
Publisher:
ISBN:
Category : Electric lighting
Languages : en
Pages : 218
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Book Description
Author: H. C. Cushing
Publisher: Forgotten Books
ISBN: 9780364014462
Category : Technology & Engineering
Languages : en
Pages : 272
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Book Description
Excerpt from Standard Lighting: With Incandescent Electric Lamps Since an Object is seen by the light which comes to it from the source and thence by reflection to the eye, it follows that color in the Object is seen only when the light contains rays Of that color. For example, a red Object will appear black under light in which red rays are lacking or a blue Object will appear black when blue rays are absent in the source. Daylight is composed of all the colors in proportions seen in the rainbow The light from Mazda lamps contains all the colors composing daylight but if the spectra, or rainbows, Of the two were to be compared it would be seen that the Mazda lamp was richer than daylight in the orange - red region and weaker in the blue. For ordinary purposes, the light from clear Mazda lamps is sufficiently like daylight to answer all requirements, but where color discr1m1nat10n is a factor, as in sorting or grading pro cesses for example, and in the laundry where scorch marks must be readily distinguishable, or where the artificial light is used to supplement daylight, as in an Office, daylight lamps, which screen out the majority Of the excess orange-red rays, find wide application. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This 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.
Author: Hippolyte Fontaine
Publisher: Legare Street Press
ISBN: 9781017771985
Category : Architecture
Languages : en
Pages : 0
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Daniel H. Ogley
Publisher: Forgotten Books
ISBN: 9781330479421
Category : Technology & Engineering
Languages : en
Pages : 128
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Book Description
Excerpt from Incandescent Electric Lamps and Their Application Since the advent of the carbon filament incandescent lamp so many wonderful discoveries have been made that the adoption of the electric glow lamp as an illuminant is now almost universal. A little thought will establish the fact, however, that the improvements made have been chiefly in the lamp itself, the introduction of the metal filament being responsible for the increased efficiency that has placed electric lighting practically within reach of all. In comparison with the advances made in filament construction those made in the direction of scientific artificial lighting have been small. The formation of the Illuminating Engineering Society has done much to create an interest in this important subject, while further, the work of Government Commissions and the publication of their reports on school, factory and library lighting has served still more to impress people with the importance of adequate illumination. If good lighting is important in public institutions it is equally if not more important in the home, and the approved methods of disposing of the light units so as to avoid unnecessary glare and produce an adequate illumination, as well as the judicious selection of wall and ceiling coverings, should be fully understood by all users and installers of electric light. The existing literature on the subject is of too scientific and technical a character for other than scientists, and in presenting this treatise the author hopes that the obvious gap may be filled and that the general reader may be assisted in deciding upon the most suitable candle-power and distribution in his own particular case. The author has to thank Messrs. Siemens Bros, for information concerning tantalum and permission to reproduce one of their diagrams; Messrs. The General Electric Co. for information concerning the drawing down of tungsten filaments; Messrs. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This 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.
Author: Maurice Solomon
Publisher: Forgotten Books
ISBN: 9780267632381
Category : Technology & Engineering
Languages : en
Pages : 346
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Book Description
Excerpt from Electric Lamps It is my hope that the book may prove of use both to the user of electric lamps and the student of electrical engineering. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This 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.
Author: Edwin J. Houston
Publisher: Forgotten Books
ISBN: 9781332434725
Category : Technology & Engineering
Languages : en
Pages : 450
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Book Description
Excerpt from Electric Arc Lighting It is with the view of placing this knowledge in an accessible form, that the authors present this little book to the general reader. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This 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.
