000 002710000a22001210004500
008 160502b1932 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a621.3881
_bD5
942 _cBK
100 _aDinsdale, A.
245 _aFirst principles of television
260 _c1932
999 _c8432
_d8432