displaying 1 - 8 results in total 8
Howett, G. L.; Kelly, K. L.; Pierce, E. T.
view article (1.0)Emergency Vehicle Warning Lights: State of the Art. Final Report.National Bureau of Standards, Washington, DCNBS SP 480-16Law Enforcement Assistance Admin., Washington, DC, NBS SP 480-16
September 1978Howett, G. L.
view article (1.0)Some Psychophysical Tests of the Conspicuities of Emergency Vehicle Warning Lights.National Bureau of Standards, Washington, DCNBS SP 480-36Law Enforcement Assistance Admin., Washington, DC, NBS SP 480-36
July 1979Rubin, A. I.; Howett, G. L.
view article (1.0)Emergency Vehicle Warning Systems.National Bureau of Standards, Washington, DCNBS SP 480-37National Institute of Justice, Washington, DC, NBS SP 480-37
May 1981Glass, R. A.; Howett, G. L.; Lister, K.; Collins, B. L.
view article (1.0)Some Criteria for Colors and Signs in Workplaces. Final Report. 1978-1983.National Bureau of Standards, Washington, DCNBSIR 83-2694Occupational Safety and Health Administration, Washington, DC, NBSIR 83-2694
April 1983Howett, G. L.
view article (1.0)Linear Opponent-Colors Model Optimized for Brightness Prediction. Final Report.National Bureau of Standards, Gaithersburg, MDNBSIR 85-3202Department of Energy, Washington, DC, NBSIR 85-3202
February 1986Collins, B. L.; Kuo, B. Y.; Mayerson, S. E.; Worthey, J. A.; Howett, G. L.
view article (1.0)Safety Color Appearance under Selected Light Sources.National Bureau of Standards, Gaithersburg, MDNBSIR 86-3493U.S. Department of Labor, Washington, DC, NBSIR 86-3493
January 1987
140 p.Howett, G. L.
view article (1.0)Size of Letters Required for Visibility as a Function of Viewing Distance and Observer Visual Acuity.National Bureau of Standards, Washington, DCNBS TN 1180Department 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.
view article (1.0)Emergency Vehicle Warning Devices. Interim Review of the State-of-the-Art Relative to Performance Standards.National Bureau of Standards, Washington, DCNBS 10 478NBS 10 478
May 1972