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Displaying 1-4 of 4 results for author "Howett, Gerald L."
Some psycho-physical tests of the conspicuities of emergency vehicle warning lights / Gerald L. Howett.
- Text
- Gaithersburg, MD : U.S. Dept. of Commerce, National Institute of Standards and Technology, 1979.
- 1979
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/gpo94829Size of letters required for visibility as a function of viewing distance and observer visual acuity / Gerald L. Howett.
- Text
- Gaithersburg, MD : U.S. Dept. of Commerce, National Institute of Standards and Technology, 1983.
- 1983
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/gpo105416Emergency vehicle warning lights : state of the art / prepared by Gerald L. Howett with Kenneth L. Kelly, and E. Thomas Pierce.
- Text
- Washington : Department of Commerce, National Bureau of Standards : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1978.
- 1978
- 1 Item
Item details Format Call Number Item Location Text C 13.10:480-16 Off-site Some psychophysical tests of the conspicuities of emergency vehicle warning lights / by Gerald L. Howett, Center for Building Technology, National Bureau of Standards, and the Law Enforcement Standards Laboratory, Center for Consumer Product Technology, National Bureau of Standards ; prepared for National Institute of Law Enforcement and Criminal Justice, Law Enforcement Assistance Administration, U.S. Department of Justice.
- Text
- Washington : Department of Commerce, National Bureau of Standards : for sale by the Supt.of Docs., U.S. Govt. Print. Off., 1979.
- 1979
- 1 Item
Item details Format Call Number Item Location Text C 13.10:480-36 Off-site
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