00690nam a2200193Ia 4500003000900000008004100009040001600050080002600066100002400092245009500116260003500211300001500246650003600261650004900297700002800346942000700374999001300381952010200394IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a621.317.775(031)bRID  aRider, John F92138 0aEncyclopedia on cathode-ray oscilloscopes and their usescJohn F Rider and Seymour D Ulsan  aLondonbChapman and Hallc1950  avii, 982p.  aCathode Ray Oscilloscopes92139  aEncyclopedia-Cathode Ray Oscilloscopes92140  aUlsan, Seymour D.92141  cBK  c991d991  00104070aBANbKAVcGENd0000-00-00l0o621.317.775(031)/ RIDp1033r2021-11-05w0000-00-00yBK