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displaying 1 - 8 results in total 8

  • Howett, G. L.; Kelly, K. L.; Pierce, E. T.
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    Emergency Vehicle Warning Lights: State of the Art. Final Report.
    National Bureau of Standards, Washington, DC
    NBS SP 480-16
    Law Enforcement Assistance Admin., Washington, DC, NBS SP 480-16
    September 1978

  • Howett, G. L.
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    Some Psychophysical Tests of the Conspicuities of Emergency Vehicle Warning Lights.
    National Bureau of Standards, Washington, DC
    NBS SP 480-36
    Law Enforcement Assistance Admin., Washington, DC, NBS SP 480-36
    July 1979

  • Rubin, A. I.; Howett, G. L.
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    Emergency Vehicle Warning Systems.
    National Bureau of Standards, Washington, DC
    NBS SP 480-37
    National Institute of Justice, Washington, DC, NBS SP 480-37
    May 1981

  • Glass, R. A.; Howett, G. L.; Lister, K.; Collins, B. L.
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    Some Criteria for Colors and Signs in Workplaces. Final Report. 1978-1983.
    National Bureau of Standards, Washington, DC
    NBSIR 83-2694
    Occupational Safety and Health Administration, Washington, DC, NBSIR 83-2694
    April 1983

  • Howett, G. L.
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    Linear Opponent-Colors Model Optimized for Brightness Prediction. Final Report.
    National Bureau of Standards, Gaithersburg, MD
    NBSIR 85-3202
    Department of Energy, Washington, DC, NBSIR 85-3202
    February 1986

  • Collins, B. L.; Kuo, B. Y.; Mayerson, S. E.; Worthey, J. A.; Howett, G. L.
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    Safety Color Appearance under Selected Light Sources.
    National Bureau of Standards, Gaithersburg, MD
    NBSIR 86-3493
    U.S. Department of Labor, Washington, DC, NBSIR 86-3493
    January 1987
    140 p.

  • Howett, G. L.
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    Size of Letters Required for Visibility as a Function of Viewing Distance and Observer Visual Acuity.
    National Bureau of Standards, Washington, DC
    NBS TN 1180
    Department of Labor, Washington, DC, NBS TN 1180
    July 1983
    72 p.

  • Pierce, E. T.; Kelly, K. L.; McPherson, M. A.; Howett, G. L.; Booker, R. L.
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    Emergency Vehicle Warning Devices. Interim Review of the State-of-the-Art Relative to Performance Standards.
    National Bureau of Standards, Washington, DC
    NBS 10 478
    NBS 10 478
    May 1972