| 000 | 00553nam a22002057a 4500 | ||
|---|---|---|---|
| 015 | _a3234 | ||
| 041 | _a1 | ||
| 080 |
_a621.395 _bATK |
||
| 100 | _aAtkinson, J. | ||
| 245 |
_aTelephony _ba detailed exposition of the telephone exchange systems of the British post office |
||
| 260 |
_aSIR ISAAC PITMAN & SONS _bLondon _c1948 |
||
| 300 |
_a514p. _bfig., ill. |
||
| 490 |
_aVolume _vI |
||
| 650 | _aEngineering | ||
| 852 | _a2L-3-3 | ||
| 999 |
_c2788 _d2788 |
||