<s>
Fueled	O
by	O
tax-loss	O
carry-forwards	O
obtained	O
due	O
to	O
Oak	O
's	O
operating	O
losses	O
,	O
between	O
late	O
1986	O
and	O
early	O
1987	O
,	O
the	O
company	O
made	O
two	O
disparate	O
acquisitions	O
:	O
the	O
Quartz	B-General_Concept
Crystal	O
Components	O
Group	O
from	O
the	O
Electronic	O
Technologies	O
Corporation	O
of	O
New	O
York	O
and	O
the	O
Railway	O
Maintenance	O
Equipment	O
Company	O
from	O
the	O
Rexnord	O
Corporation	O
.	O
</s>
<s>
The	O
Quartz	B-General_Concept
Crystal	O
Components	O
Group	O
comprised	O
three	O
subsidiaries	O
—	O
Croven	O
Crystals	O
Ltd	O
.	O
of	O
Whitby	O
,	O
Ontario	O
,	O
a	O
maker	O
of	O
quartz	B-General_Concept
components	O
for	O
precision	O
applications	O
;	O
Ovenaire-Audio-Carpenter	O
of	O
Charlottesville	O
,	O
Virginia	O
,	O
a	O
maker	O
of	O
crystal	O
oscillators	O
for	O
the	O
telecommunications	O
and	O
defense	O
sectors	O
;	O
and	O
Houston	O
Electronics	O
,	O
a	O
Kane	O
,	O
Pennsylvania-based	O
manufacturer	O
of	O
airtight	O
enclosures	O
for	O
quartz	B-General_Concept
components	O
.	O
</s>
<s>
The	O
company	O
downsized	O
from	O
2,203	O
employees	O
total	O
in	O
1989	O
to	O
1,620	O
in	O
1992	O
;	O
its	O
divisions	O
then	O
consisted	O
of	O
Harper-Wyman	O
—	O
a	O
maker	O
of	O
controls	O
for	O
gas	O
kitchen	O
appliances	O
—	O
as	O
well	O
as	O
OakGrigsby	O
,	O
Nordco	O
,	O
and	O
the	O
Oak	O
Frequency	O
Control	O
Group	O
(	O
comprising	O
the	O
company	O
's	O
quartz	B-General_Concept
oscillator	O
subsidiaries	O
)	O
.	O
</s>
