The absolute economy of electric lightin
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Robert Briggs
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Article
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1880
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Elsevier Science
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English
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The following article is extracted from the t)ages of L~.qineering~ Oct. 18, 1878, where it appeared ill consequence of its being a part of a discussion betbre the British Association where the experiments o1~ the electric light made bv the Franklin Institute in 1878 were referred to. It has been re