000 a
999 _c294472
_d294472
040 _bukr
041 0 _aeng
090 _aT9
_b.I45 1977 t.20
_cT9 .I45 1977 t.20
245 0 0 _aWelding-Zworykin ; Historic inventions
246 3 3 _aHistoric inventions
246 3 4 _aWelding - Zworykin, Vladimir Kosma ; Historic inventions
246 3 8 _aWeld-Zwor
260 _aNew York
_bH.S. Stuttman Co., Inc.
_c1977
300 _ap. 2649-2732, 27 l.
_bill., schem.
_c26 cm
773 0 _tThe illustrated science and invention encyclopedia
_w294443
_dNew York H.S. Stuttman Co., Inc. 1977-
942 _2lcc
_cBOOK