| 000 | 00859cam a22002531 4500 | ||
|---|---|---|---|
| 001 | gs 24000189 | ||
| 003 | DLC | ||
| 005 | 20260227111328.0 | ||
| 008 | 900517s1924 dcua s000 0 eng c | ||
| 010 | _ags 24000189 | ||
| 035 | _a(OCoLC)21548877 | ||
| 040 |
_aLibrary, U.S. Geological Survey _cTxU _dOCoLC _dDLC |
||
| 042 | _apremarc | ||
| 050 | 0 | 0 |
_aTK5865 _b.T6 |
| 100 | 1 | _aTolmie, Jack Roderick. | |
| 245 | 0 | 4 |
_aThe characteristic surface of the thermionic valve, _cby Jack Roderick Tolmie. |
| 260 |
_aSeattle, Wash., _bThe University, _c1924. |
||
| 300 |
_a22 p. _billus., diagrs. _c23 cm. |
||
| 490 | 0 |
_aWashington. University. Engineering Experiment Station. Engineering Experiment Station series. Bulletin _vno. 24 |
|
| 650 | 0 | _aVacuum-tubes. | |
| 650 | 0 | _aValves. | |
| 650 | 0 | _aElectric apparatus and appliances. | |
| 740 | 0 | _aThermionic valve. | |
| 999 |
_c26327 _d26327 |
||