Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 290
NEER (june) 283 PROFESSOR D. A. LOUIS. In the death of Professor D. A. Louis,on March 25th, the country has lost aman of wide scientific attainments andexceptional personality. Professor Louis was almost equallywell known in the scientific world andin journalistic circles. In the earlierpart of his… … Later he accepted an appointmentin Colorado, where he gained practicalexperience of mining, and in subsequentyears he practised as a consulting miningengineer, and paid visits to most of themining districts in Europe and theUnited States. In 1893 he became anassistant examiner to the Board…
Lighting
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