000 00282pam a2200133a 44500
082 _a538.1
_bSp7p
100 _aSpreadbury, F. G.
245 1 _aPERMANENT MAGNETS
260 _aLondon
_bPitman
_c1949
300 _a279
650 _aMagnets
964 _gCIRC
997 _a12940 C
999 _c431510
_d431510