| 000 | 00395pam a2200157a 44500 | ||
|---|---|---|---|
| 082 |
_a621.384 _bR43b |
||
| 100 | _aRider, John Francis | ||
| 245 | 1 | _aBASIC VACUUM TUBES AND THEIR USES | |
| 260 |
_aN. Y. _bJ. F. Rider Pub. _c1955 |
||
| 300 | _a204 | ||
| 440 |
_aA Rider Publication _vNo. 171 |
||
| 650 | _aVacuum-Tubes | ||
| 700 | _aJacobowitz, Henry | ||
| 964 | _gCIRC | ||
| 997 | _a6735 s C | ||
| 999 |
_c436050 _d436050 |
||