000
00282pam a2200133a 44500
082
_a
538.1
_b
Sp7p
100
_a
Spreadbury, F. G.
245
1
_a
PERMANENT MAGNETS
260
_a
London
_b
Pitman
_c
1949
300
_a
279
650
_a
Magnets
964
_g
CIRC
997
_a
12940 C
999
_c
431510
_d
431510