Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 66
congratulated theSociety on bringing forward such a subjectas this, which was naturally of greatinterest and importance at the presenttime. Mr. Ledger had said that thesearchlight in its present form hadpractically reached its limit of develop-ment—at any rate that was how heread the paper—and the… … Fig. 1.—Shows anaiigeineiit ut the smallcarbons sprayed with alcohol vapour. This seemed unfortunate, but hethought this was due to the fact that weappeared to have come to the limit oforiginal design in this particular direction. About a year ago he had the opjjor-tunity of seeing the commencement…
Lighting
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