00432nam a2200145Ia 4500003000900000008004100009040001600050080002100066100001900087245006700106260004900173300001500222650003000237650001900267IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a621.317.755bCAR  aCarter, Harley 3aAn introduction to the cathode ray oscilloscopecHarley Carter  aNetherlandsbPhilips Technical Libraryc1957  aviii, 95p.  aCathode ray oscilloscopes  aNASA Thesaurus