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Illuminating engineering practice; lectures on illuminating engineering delivered at the University of Pennsylvania, Philadelphia, September 20 to 28, 1916, under the joint auspices of the University and the Illuminating Engineering Society (1917)

University of Pennsylvania, Illuminating Engineering Society · New York, McGraw-Hill Book Company, Inc; [etc., etc.] · leaf 8

An illustration from Illuminating engineering practice; lectures on illuminating engineering delivered at the University of Pennsylvania, Philadelphia, September 20 to 28, 1916, under the joint auspices of the University and the Illuminating Engineering Society, 1917, leaf 8
factor, definition, 18 factors, table, 52-56 Valves, electro magnetic, 178Vehicle head lights, 220Visibility, definition, 30Vision phenomena, 463 Window illumination, 363, 382bibliography, 390light distribution, calculation, 385source, calculation, 21 X-ray lamps (see lamps). Yard illumination,… … 1^ p w OS to j*•a S to X fi. W U q2. £«^ a 2 toUto ►^o a .2 M .•a i O M >> 2 -£ ^ H 3 ■3 o a 0. o ILLUMINATINGENGINEEEING PRACTICE LECTURES ON ILLUMINATING ENGINEERING DELIVERED AT THE UNIVERSITY OF PENNSYLVANIA PHILADELPHIA, SEPTEMBER 20 to 28, 1916 UNDER THE JOINT AUSPICES OFTHE UNIVERSITY…

Lighting

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