Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 32
ficiency was notobtained. There was obviously a theo-retical point of maximum economy inthe running of lamps, with a given pricefor current and renewals, and possiblyProf. Morris could throw some light onthis subject. Mr. E. Stroud said he had listened toProfessor Morriss remarks with… … FRONT END SECTION FRONT VIEW LIGHTING OF BALANCES W. R COOPER. spherical candle-power, the mean hemi-spherical, the vertical or the horizontal.Another point was the question of under-running half-watt lamps. The relation-ship between voltage and life was saidto be such that very slightly…
Lighting
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