000
00310nam a2200121Ia 4500
008
220201s1952 xx 000 0 eng d
041
_a
ENG
100
_a
SISKIND, CHARLES S
245
0
_a
DIRECT CURRENT MACHINES
260
_a
LONDON
_b
THAMES AND HUDSON PUBLISHING COMPANY
_c
1952
300
_a
319
942
_2
ddc
999
_c
40571
_d
40571