01368aam 2200373I 450 991071005830332120151118015323.0GOVPUB-C13-e2e3b864d17f89955b7d4a13f2717119(CKB)5470000002475693(OCoLC)929881441(EXLCZ)99547000000247569320151118d1974 ua 0engrdacontentrdamediardacarrierA standard procedure for setting of photoelectric controls prior to installation on lighted obstructions /I. NimeroffGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,1974.1 online resourceNBSIR ;74-6031974.Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.Title from PDF title page.Includes bibliographical references.Nimeroff Isadore1396332Nimeroff Isadore1396332United States.National Bureau of Standards.NBSNBSGPOBOOK9910710058303321A standard procedure for setting of photoelectric controls prior to installation on lighted obstructions3528411UNINA