The Online Books Page

Online Books by

Gerald Leonard Howett

(Howett, Gerald Leonard, 1931-)

Books from the extended shelves:

• Howett, Gerald Leonard, 1931-: Emergency vehicle warning lights : state of the art (U.S. Dept. of Commerce, National Bureau of Standards :, 1978), also by E. Thomas Pierce, Kenneth Low Kelly, and National Institute of Law Enforcement and Criminal Justice (page images at HathiTrust)
• Howett, Gerald Leonard, 1931-: Emergency vehicle warning systems (U.S. Dept. of Commerce, National Bureau of Standards :, 1981), also by Arthur I. Rubin, National Institute of Justice (U.S.), Law Enforcement Standards Laboratory, and Center for Building Technology (page images at HathiTrust)
• Howett, Gerald Leonard, 1931-: Some psychophysical tests of the conspicuities of emergency vehicle warning lights (The Bureau :, 1979), also by National Institute of Law Enforcement and Criminal Justice and Law Enforcement Standards Laboratory (page images at HathiTrust)

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