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1958
Night visibility, 1958

Highway Research Board Bulletin, Issue 191, 64p

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1958
1958
EFFORTS TO IMPROVE VISIBILITY IN FOG

Highway Research Board Bulletin, Issue 191, 8p

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1958
AIMING FOR BETTER HEADLIGHTING

Highway Research Board Bulletin, Issue 191, 4p

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1958
1958
1958
NIGHT LEGIBILITY DISTANCES OF HIGHWAY SIGNS.

Highway Research Board Bulletin, Issue 191, 8p

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1958
LIGHTING THE CONNECTICUT TURNPIKE

Highway Research Board Bulletin, Issue 191, 1p

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1958
FIELD TEST OF ROADWAY LIGHTING

Highway Research Board Bulletin, Issue 191, 1p

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1958
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