| 000 | 00357nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 231217s9999 xx 000 0 und d | ||
| 041 | _aEnglish | ||
| 082 |
_a032 _bPl |
||
| 100 | _aLewis, E. H | ||
| 245 | 6 | _aThe A B C of Vacuum Tubes In Radio Reception | |
| 260 |
_aNew York _bThe Norman W . Henley Publishing CO. _c1922 |
||
| 300 | _a132Pages | ||
| 942 | _cBK | ||
| 999 |
_c520 _d520 |
||