| 000 | 00571nam a2200181Ia 4500 | ||
|---|---|---|---|
| 008 | 250306b |||||||| |||| 00| 0 eng d | ||
| 082 |
_a621.3821 _bCRA |
||
| 100 | _aCrawley, Chetwode | ||
| 245 | _aFrom telegraphy to television | ||
| 260 |
_aNew York: _bFrederick Warne & CO., _c1931. |
||
| 300 |
_axii, 212p.: _bill.; _c20.4 cm. |
||
| 500 | _aIncludes index. | ||
| 650 | _aTelegraphy | ||
| 650 | _aTelephony | ||
| 650 | _aEarly broadcasting systems | ||
| 650 | _aWireless telegraphy | ||
| 942 |
_2ddc _cC |
||
| 999 |
_c142939 _d142939 |
||