A Textbook of Electric Lighting and Railways PDF Download
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Author: International Correspondence Schools
Publisher:
ISBN:
Category : Electric lighting
Languages : en
Pages : 678
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Book Description
Author: International Correspondence Schools
Publisher:
ISBN:
Category : Electric lighting
Languages : en
Pages : 678
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Book Description
Author: International Correspondence Schools
Publisher:
ISBN:
Category : Electrical engineering
Languages : en
Pages : 532
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Book Description
Author: Sandy Isenstadt
Publisher: MIT Press
ISBN: 026203817X
Category : Architecture
Languages : en
Pages : 303
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Book Description
How electric light created new spaces that transformed the built environment and the perception of modern architecture. In this book, Sandy Isenstadt examines electric light as a form of architecture—as a new, uniquely modern kind of building material. Electric light was more than just a novel way of brightening a room or illuminating a streetscape; it brought with it new ways of perceiving and experiencing space itself. If modernity can be characterized by rapid, incessant change, and modernism as the creative response to such change, Isenstadt argues, then electricity—instantaneous, malleable, ubiquitous, evanescent—is modernity's medium. Isenstadt shows how the introduction of electric lighting at the end of the nineteenth century created new architectural spaces that altered and sometimes eclipsed previously existing spaces. He constructs an architectural history of these new spaces through five examples, ranging from the tangible miracle of the light switch to the immaterial and borderless gloom of the wartime blackout. He describes what it means when an ordinary person can play God by flipping a switch; when the roving cone of automobile headlights places driver and passenger at the vertex of a luminous cavity; when lighting in factories is seen to enhance productivity; when Times Square became an emblem of illuminated commercial speech; and when the absence of electric light in a blackout produced a new type of space. In this book, the first sustained examination of the spatial effects of electric lighting, Isenstadt reconceives modernism in architecture to account for the new perceptual conditions and visual habits that followed widespread electrification.
Author:
Publisher:
ISBN:
Category : Electrical engineering
Languages : en
Pages : 578
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Book Description
Author: International Schools
Publisher: Rarebooksclub.com
ISBN: 9781230077314
Category :
Languages : en
Pages : 124
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Book Description
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1901 edition. Excerpt: ...fr, c, d, e, etc., are connected in series. The ends marked i are inside ends of coils; those marked o are outside ends. Outside of the change in the style of armature and some improvements in the bearings, the T. H. machine has been changed but little since it was first brought out. 19. General Remarks on T. II. Machines.--In operating the T. H. machine, care must be taken to see that the brushes are correctly set, with regard to the commutator, and also that the commutator is properly set on the shaft, with regard to the armature. Instructions for doing this are furnished by the manufacturers and a gauge is provided for setting the brushes. Failure to attend to these points will result in "flashing," or the machine may refuse to pick up its load at all. 30. Flashing is a fault to which arc-light dynamos are especially subject. It consists in a momentary short-circuiting of the machine by an arc jumping around the commutator from brush to brush. This produces a flash, so well known in connection with these machines. It may arise from a number of different causes. In the T. II. machine, an improper setting of the brushes or commutator referred to above may cause it, also defects in the air blast. If the jets become stopped up or if the blower itself is out of order, the puffs of air will not be delivered so as to blow out the spark. This will allow it to carry over to the adjacent segment and a flash will result. A flash is immediately followed by a lowering of the regulator and must not be confounded with the ordinary sparking of the machine. When a T. II. machine is running under normal conditions, there is a spark about-j to inch long at the ends of the brushes. This spark has a violet tinge and does no special harm; in fact, ...
Author: International Correspondence Schools
Publisher:
ISBN:
Category : Electric lighting
Languages : en
Pages : 460
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Book Description
Author: International Correspondence Schools
Publisher: Palala Press
ISBN: 9781342235152
Category :
Languages : en
Pages : 522
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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:
Publisher:
ISBN:
Category : American literature
Languages : en
Pages : 592
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Book Description
A world list of books in the English language.
Author:
Publisher:
ISBN:
Category : Electric industries
Languages : en
Pages : 1668
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Book Description
Author:
Publisher:
ISBN:
Category : Electric railroads
Languages : en
Pages : 1510
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Book Description
