| 000 | 00320nam a22001217a 4500 | ||
|---|---|---|---|
| 082 | _a621.384 WIT'T | ||
| 100 |
_aWITTS, ALFRED T _979941 |
||
| 245 | _aTHERMIONIC VALVES IN MODERN RADIO RECEIVERS A HANDBOOK ON THEORY AND PRACTICE | ||
| 250 | _a2ND | ||
| 260 |
_aLONDON _bSIR ISAAC _c1947 |
||
| 300 | _a218P | ||
| 942 | _cBK | ||
| 999 |
_c584921 _d584921 |
||