| 000 | 00523 a2200265 4500 | ||
|---|---|---|---|
| 001 | 127049 | ||
| 020 | _a5 | ||
| 041 | _aeng | ||
| 080 | _a621.394/.395 Jol | ||
| 245 | _aIntroduction to telephony and telegraphy. | ||
| 250 | _a | ||
| 260 | _a | ||
| 260 | _bIsaac Pitman, London, | ||
| 260 | _c1968 | ||
| 300 | _ap.x, 413, illus., 25cm., | ||
| 300 | _c | ||
| 490 | _a | ||
| 100 | _aJolley, E.H.\ | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aTelephone systems | ||
| 650 | _aTelegraph | ||
| 942 | _cBK | ||
| 942 | _2UDC | ||
| 999 |
_c98535 _d98535 |
||