000
00266nam a2200109Ia 4500
008
220201s1947 xx 000 0 eng d
100
_a
Simons, EN
245
0
_a
Manufactures & applications
260
_b
London: Sir Isaac Pitman
_c
1947
300
_a
136
942
_2
ddc
999
_c
70669
_d
70669