000 00660pam a2200193a 44500
008 160408b1978 xxu||||| |||| 00| 0 eng d
082 _a621.3810903
_bD896e2
100 _aDummer, Geoffrey William A.
245 1 _aELECTRONIC INVENTIONS AND DISCOVERIES
250 _a2nd rev. & exp.
260 _aOxford
_bPergamon
_c1978
300 _a204
440 _aApplied Electricity And Electronics
_v
500 _aFirst Edition Published Under The Title : Electronic Inventions 1745-1976
650 _aElectronic Apparatus And Appliances -- History
650 _aElectronics -- Technological Innovations -- History
964 _gCIRC
997 _aA63637 s C
999 _c283256
_d283256