01710oam 2200553 450 991071724970332120220322085451.0(CKB)5470000002529729(OCoLC)681850601(OCoLC)626211566(EXLCZ)99547000000252972920101117d1969 ua 0engurbn||||||abptxtrdacontentcrdamediacrrdacarrierLocating lumber defects by ultrasonics /by Kent A. McDonald, Roger G. Cox, and Erwin H. BulgrinMadison, Wisconsin :U.S. Department of Agriculture, Forest Service, Forest Products Laboratory,1969.1 online resource (12 pages) illustrationsU.S.D.A. Forest Service research paper ;FPL 120"October 1969."Includes bibliographical references (page 11).LumberInspectionUltrasonic testingLumberInspectionfastUltrasonic testingfastLumberInspection.Ultrasonic testing.LumberInspection.Ultrasonic testing.674/.008 s674/.132McDonald Kent A.1416334Cox Roger G.Bulgrin Erwin H.Forest Products Laboratory (U.S.),OCLCEOCLCEOCLCQOCLCFOCLCOOCLCQOCLCOOCLCQGPOBOOK9910717249703321Locating lumber defects by ultrasonics3521348UNINA