T h e A u t o m a t ic A ge
130
c o n sid er
TH E LOCK
M
U C H
h a s b e e n s a id a b o u t
th e s lu g e v i l . . . . F o r c e s a r e a t
w o rk
to
d e fe a t th is r o b b e r o f
p r o f its .. . .
B u t are
n o t lo s s e s
a s g r e a t b e c a u s e to o lit t le c a re
is e x e r c is e d in c h o o s in g lo c k s ?
.
.
.
H e re
is
a
re al
d e s e r v in g
a c tio n
o p e ra to r
a n d
m a n u fa c tu re r.
. . . B a ir d
lo c k
e n g in e e r s
c o n tin u a lly
by
p r o b le m
b o th
d e v e lo p in g
th e
are
b e tte r
m e th o d s o f lo c k in g .
May we send you details
of the BAIRD system of
locking?
B A IR D
L O C K
C O M P A N Y
LO CK EN G IN EERS
216 WEST O N T A R IO STREET
C H IC A G O
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