Traffic and lighting; next to right proportion of darkness and light, good visibility is to be secured; proportion of contrast is analyzed; normally existing street lighting is found to be fundamentally wrong; connection between horizontal and vertical lighting power; shaded sources of light; conclusions. (See also - discussion p V 61-2)
Traffic and lighting
Verkeer en licht
Ingenieur ; 48 , n 9
1933
Aufsatz (Zeitschrift)
Niederländisch
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Traffic signal lighting system having lighting device for traffic signal
Europäisches Patentamt | 2020
|Engineering Index Backfile | 1932
|Engineering Index Backfile | 1947
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