Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 24
Fig. 7.—Illumination of Electrical Engineering Laboratory, East London College. … Fig. 8.—Illuminatiuniof Drawing Office, East London College, by special bunchedfilament lamps in Holophane reflectors. 14 THE ILLUMINATING ENGINEER (JAN. 1916) DISCUSSION. Mr. S. R. MuLLAKD exhibited and de-monstrated the arc incandescent lampreferred to by Professor Morris. Theionising rod…
Lighting
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