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Power StrugglesScientific Authority and the Creation of Practical Electricity Before Edison$
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Michael Brian Schiffer

Print publication date: 2008

Print ISBN-13: 9780262195829

Published to MIT Press Scholarship Online: August 2013

DOI: 10.7551/mitpress/9780262195829.001.0001

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PRINTED FROM MIT PRESS SCHOLARSHIP ONLINE (www.mitpress.universitypressscholarship.com). (c) Copyright The MIT Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in MITSO for personal use.date: 01 December 2021

First Light

First Light

(p.207) 16 First Light
Power Struggles

Michael Brian Schiffer

The MIT Press

This chapter describes how the different inventions of bright light sources influenced public lighting systems. First of all, with the improvements in navigation aids for ships, more and more lighthouses were built along the coastal line, and as bright light was essential in lighthouses, so all the new inventions for bright lights were tried out in lighthouses. Also, the requirement for better lighting in public places such as theatres, rail stations, factories, and buildings was felt. The battery-operated carbon arc light was introduced and to prevent fast wearing-out of the carbon rods, electromagnets were introduced. The electromagnets were wired in the light circuit and could move the carbon rods in a clockwise manner in response to the changes in the amount of current in the arc.

Keywords:   bright light sources, public lighting system, carbon rods, lighthouses, public places, carbon arc light, electromagnets, factories

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