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1954
Night visibility

Highway Research Board Bulletin, Issue 89, 75p

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1954
EFFECTIVE USE OF REFLECTORIZED MATERIALS ON RAILROAD BOXCARS

Highway Research Board Bulletin, Issue 89

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1954
A SUBSTITUTE FOR ROAD TESTS OF AUTOMOBILE HEADLIGHTS

Highway Research Board Bulletin, Issue 89

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1954
SIGN PLACEMENT TO REDUCE DIRT ACCUMULATION

Highway Research Board Bulletin, Issue 89

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1954
EFFECT OF PLANTING IN MEDIAN STRIP ON NIGHT-VISIBILITY DISTANCES

Highway Research Board Bulletin, Issue 89

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1954
REFLECTION CHARACTERISTICS OF PAVEMENT SURFACES

Highway Research Board Bulletin, Issue 89

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1954
EVALUATING DISABLING EFFECTS OF APPROACHING AUTOMOBILE HEADLIGHTS

Highway Research Board Bulletin, Issue 89

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1954
VISUAL DETECTION AT LOW LUMINANCE THROUGH OPTICAL FILTERS

Highway Research Board Bulletin, Issue 89

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1954
EFFECT OF WAVE-LENGTH CONTRASTS ON DISCRIMINATION THRESHOLDS UNDER MESOPIC VISION

Highway Research Board Bulletin, Issue 89

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1954
SIGNAL LIGHTING FOR THE MOVEMENT OF TRAFFIC IN FOG

Highway Research Board Bulletin, Issue 89

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Showing 1 - 10 of 10 records