| 000 | 00583 a2200265 4500 | ||
|---|---|---|---|
| 001 | 97867 | ||
| 020 | _a0 | ||
| 041 | _aeng | ||
| 080 | _a621.396.62 Wit | ||
| 245 | _aThermionic valves in modern radio receivers : a handbook on theory and practice | ||
| 250 | _a6th ed | ||
| 260 | _aLondon | ||
| 260 | _bSir Isaac Pitman, | ||
| 260 | _c1947 | ||
| 300 | _ax,218 p. | ||
| 300 | _c18 cm | ||
| 490 | _a | ||
| 100 | _aWitts, Alfred T. | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aRadio-Receivers and reception | ||
| 650 | _aVacuum-tube circuits | ||
| 942 | _cBK | ||
| 942 | _2UDC | ||
| 999 |
_c50836 _d50836 |
||