000 00350cam a22001331 4500
082 _a621.381512
_bMID
_cL-11, P-33.
100 1 _aMiddleton, Herman Arnold.
245 1 0 _aReceiving tube substitution guide book.
250 _a1st ed.
260 _aNew York,
_bJ.F. Rider
_c[c1950]
300 _aiv, 215 p.
_bdiagrs.
_c28 cm.
650 _aMCE
942 _cBK
999 _c6388
_d6388