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The excerpt represents the core issue or deciding factor on which you must meditate, and is drawn from Faraday as a Discoverer by John Tyndall: wires. Approaching the point of Dungeness, the mariner sees an
unusually brilliant light, and from the noble phares of La Heve the
same light flashes across the sea. These are Faraday's sparks
exalted by suitable machinery to sunlike splendour. At the present
moment the Board of Trade and the Brethren of the Trinity House, as
well as the Commissioners of Northern Lights, are contemplating the
introduction of the Magneto-electric Light at numerous points upon
our coasts; and future generations will be able to refer to those
guiding stars in answer to the question. What has been the practical
use of the labours of Faraday? But I would again emphatically say,
that his work needs no such justification, and that if he had
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