Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 427
ession . . ?>lHefner intensity .. Dd? HK Example 2.Dry bulb . . . . 75°F.=-23-9^C. Wet bulb .. .. 68 =20-0 Wet bulb depression . . 3-9 Hefner intensity . . -937 HK While these curves are not new— 398 THE ILLUMINATING ENGINEER. in fact, they have been in use in this weather conditions, the… … Degiees Fuhrenluit ifor coiiversior). in a manner sufficiently accurate for worth looking after^if one wishes evencomputation. Furtiicrmore, they bring approximate results,out the fact tliat. under verv ordinary THE ILLUMINATING ENGINEER. 399 Short Notes on Illuminating Engineering. From all…
Lighting
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