| 000 | 00615nam a22001817a 4500 | ||
|---|---|---|---|
| 003 | BD-DhUL | ||
| 005 | 20171221103658.0 | ||
| 008 | 171221s1948 xxua|||| f||| 00| 0 eng | ||
| 040 |
_aBD-DhUL _cBD-DhUL |
||
| 082 |
_a621.385 _bATT |
||
| 100 | 1 | 0 | _aAtkinson, J. |
| 245 | 1 | 0 |
_aTelephony : _ba detailed exposition of the telephone exchange systems of the British post office : vol. 1, general principles and manual exchange systems / _cJ. Atkinson. |
| 260 |
_aLondon : _bSir Isaac Pitman, _c1948. |
||
| 300 |
_axii, 514 p. : _bill. ; _c25 cm. |
||
| 500 | _aIncludes index. | ||
| 650 | 0 | 0 | _aTelephony |
| 942 |
_2ddc _cBK |
||
| 999 |
_c233310 _d233310 |
||