000 00312pam a2200121a 44500
082 _a621.384133
_bT235i
100 _aTektronic, Inc.
245 1 _aINSTRUCTION MANUAL
_cTYPE 503 CATHODERAY OSCILLOSCOPE
260 _aBeaverton
_bS. W. Millikan Way
_c1960
300 _a16
964 _gCIRC
997 _a29660 s C
999 _c437282
_d437282