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6 results
  1. NLM Digital Collections - Human factors in military efficiency (Volume 2) 
    Publication: Washington, D.C. : Office of Scientific Research and Development, National Defense Research Committee, Applied Psychology Panel, 1946
    resource.nlm.nih.gov/14030580RX2
    ... appeared on a 5-inch oscillo- scope, the actual indicator unit of a long-range search set. Strong ...
  2. NLM Digital Collections - Clinical diagnosis, case examination and the analysis of symptoms (Volume 1 ) 
    Publication: Philadelphia : F.A. Davis Company, 1924
    resource.nlm.nih.gov/32720440RX1
    ... thus seen to play the role of an actual indicator reagent, which detects fixation or non-fixation of ...