00655nam 22002413n 450 991020915910332120170627102300.020170627d1943----kmuy0itay5050 baengGB z 00 Cathode-ray oscillographsby J. H. Reyner2nd ed.LondonSir Isaac Pitman & Sons1943viii, 187 p.ill.19 cmReyner,John Hereward633249ITUNINARICAUNIMARCBK9910209159103321DCH-013-44815DCHDCHCathode - ray oscillographs45389UNINA