| 000 | 00597nam a22001937a 4500 | ||
|---|---|---|---|
| 001 | 30983 | ||
| 003 | BD-DhUET | ||
| 008 | 150627b xxu||||| |||| 00| 0 eng d | ||
| 040 |
_aDLC _cDLC _dBD-DhUET |
||
| 082 |
_a623.85 _bATK/1948 |
||
| 100 | _aAtkinson, J. | ||
| 245 |
_aTelephony _ba detailed exposition of the telephone exchange systems of the britich post office |
||
| 250 | _a1st ed. | ||
| 260 |
_aLondon _bSIR Isaac Pitman & Sons _c1948 |
||
| 300 |
_axii, 514 p. _bill. |
||
| 500 | _aVol. I (general principles and manual exchange systems) | ||
| 650 | 0 | _aTelephony : Engineering | |
| 942 | _cGB | ||
| 999 |
_c30983 _d30983 |
||